Embodiment:
In the middle of instructions and follow-up claim, used some vocabulary to censure specific assembly.The person with usual knowledge in their respective areas should understand, and same assembly may be called with different nouns by manufacturer.This instructions and follow-up claim are not used as distinguishing the mode of assembly with the difference of title, but the benchmark that is used as distinguishing with the difference of assembly on function.Be to be an open term mentioned " comprising " in the middle of instructions and the follow-up request item in the whole text, so should be construed to " including but not limited to ".In addition, " electric connection " speech is to comprise any indirect means that are electrically connected that directly reach at this.Therefore, be electrically connected at one second device, then represent this first device can be directly connected in this second device, or be connected to this second device indirectly through other devices or connection means if describe one first device in the literary composition.
Please refer to Fig. 3, Fig. 3 is the configuration diagram of embodiment of the invention preface formula of the same colour (Color Sequential) liquid crystal display 30.Color-sequence liquid crystal display (LCD) device 30 includes a liquid crystal panel 31, a backlight module 32, an image processing circuit 33 and a sequential control circuit 34.Image processing circuit 33 is to be arranged at as in the system end assemblies such as display adapter, is used for an image data is carried out Flame Image Process, has a drawing frame data of full-color information with generation, and it includes a data sorting unit 332 and a picture frame internal memory 334.Data sorting unit 332 is used for drawing frame data is sorted, drawing frame data is divided into red (R), green (G), blue three achromatic sheet field data such as (B); And picture frame internal memory 334 is electrically connected at this data sorting unit 332, is to be used for the temporary achromatic sheet field data of having finished ordering.In this case, image processing circuit 33 can be according to an acquiescence look preface, with serial mode output achromatic sheet field data.Wherein, this preface of filling in colors on a sketch in advance can be a R-G-B (R-G-B), a R-G-B-green (R-G-B-G), one R-G-B-Bai (R-G-B-W), one R-G-B-Bai-Huang (R-G-B-W-Y) and one R-G-B-green grass or young crops-Huang-fuchsin (R-G-B-C-Y-M) isochrome preface, and is not limited thereto.
Sequential control circuit 34 is electrically connected at image processing circuit 33, liquid crystal panel 31 and backlight module 32, be used for the achromatic sheet field data exported according to image processing circuit 33, control liquid crystal panel 31 and backlight module 32 show achromatic sheet field data such as red, green, blue in regular turn, and then reach the purpose of time colour mixture.Preferably, sequential control circuit 34 includes a time schedule controller 342 and a backlight control unit 344.Time schedule controller 342 is used for the achromatic sheet field data exported according to image processing circuit 33, produces the driving signal of liquid crystal panel; Backlight control unit 344 then was used for according to the demonstration time of achromatic sheet field data, produced the controlling signal of backlight module, with the back light of control backlight module 32 unlatchings corresponding to the achromatic sheet field data.In addition, liquid crystal display 30 includes a data transmission interface Tx/Rx in addition, is electrically connected between image processing circuit 33 and the sequential control circuit 34, is used for maximum bandwidth serial transmission achromatic sheet field data to sequential control circuit 34.Wherein, data transmission interface Tx/Rx can (Low-Voltage Differential Signaling, LVDS) (Display Port, DP) transmission interface be realized, and is not limited thereto for a transmission interface or a display port by a low voltage differential signal.
Therefore, color-sequence liquid crystal display (LCD) device 30 of the present invention is in image processing circuit 33 (being system end) drawing frame data to be sorted, with according to achromatic sheet field data such as the preface output red, green, blues of filling in colors on a sketch in advance to sequential control circuit 34, in this case, the achromatic sheet field data that sequential control circuit 34 can be exported according to image processing circuit 33, control liquid crystal panel 31 and backlight module 32 show achromatic sheet field data such as red, green, blue in regular turn, and then reach the purpose of time colour mixture.
In other words, the embodiment of the invention sorts to drawing frame data by the picture frame internal memory of shared system end, and with serial mode transmission achromatic sheet field data to sequential control circuit, so not only can simplify the complexity of hardware system, and can save the use of internal memory in the sequential control circuit, thereby reduce production costs.
Please refer to Fig. 4, Fig. 4 is that data transmission interface transmits the synoptic diagram of three kinds of achromatic sheet fields to sequential control circuit with serial mode among Fig. 3.In Fig. 4, the tentation data transmission interface can transmit 3N position simultaneously to sequential control circuit, in this case, because the ordering of drawing frame data is to finish and be temporary in the Installed System Memory in system end, therefore the embodiment of the invention can be transmitted the achromatic sheet field data of 3N position to sequential control circuit, shown in Fig. 4 the first half simultaneously by serial mode.That is to say that need to transmit monochromatic data to sequential control circuit with N position respectively compared to conventional architectures, shown in Fig. 4 the latter half, the achromatic sheet field data that the embodiment of the invention can be exported is to increase to original three times in the unit interval.
In addition, the tentation data transmission interface has the bandwidth of 3 * 8 positions, and image processing circuit 33 only uses 6 positions to represent each pixel information in the achromatic sheet field, in this case, data transmission interface can transmit the achromatic sheet field data of 4 pixels simultaneously, to optimize the efficiency of bandwidth use of data transmission interface.Corresponding variation like this also belongs to scope of the present invention.
Please continue with reference to the 3rd figure, sequential control circuit 34 can include a figure field internal memory 35 in addition, be used for cushioning the achromatic sheet field data that image processing circuit 33 is exported, it preferably can be realized by the memory headroom of two achromatic sheet field sizes, when receiving the achromatic sheet field data that image processing circuit 33 exported in one group of internal memory, utilize another group internal memory output to finish the achromatic sheet field data of reception, the associated internal memory access mode is that this area tool is known known to the knowledgeable usually, does not add to give unnecessary details in this.In this case, sequential control circuit 34 can export in regular turn finish reception the achromatic sheet field data to display panels, and the control backlight module opens the back light of corresponding color, and reaches the purpose of time colour mixture.
Signal sequential about sequential control circuit 34 please refer to Fig. 5.In Fig. 5, sequential control circuit 34 export in regular turn finished reception the achromatic sheet field data to liquid crystal panel 31, backlight module 32 is then opened the back light of corresponding color, shows a full-color picture in the mode by the time colour mixture.
Therefore, compared to conventional architectures, the embodiment of the invention (can be reduced at least conventional architectures 2/3rds) except can reducing the required plug-in memory size of sequential control circuit can be simplified the complexity of hardware system, in addition to reduce production costs.
On the other hand, please refer to Fig. 6, Fig. 6 is the configuration diagram of preferred embodiment one color-sequence liquid crystal display (LCD) device 60 of the present invention.Color-sequence liquid crystal display (LCD) device 30 in Fig. 3, color-sequence liquid crystal display (LCD) device 60 can further save the use of figure field internal memory, and the achromatic sheet field data that directly system end is sent exports liquid crystal panel 61 to.In this embodiment, color-sequence liquid crystal display (LCD) device 60 is except can using traditional colour preface formula backlight module, also can use one scan formula backlight module, for example, liquid crystal panel 61 can include a plurality of scanning blocks (figure does not show), and backlight module 62 can export the time of scanning block according to the achromatic sheet field data to, opens the back light of corresponding scanning block with scan mode.Thus, after the achromatic sheet field data was read by the internal memory of system end, it can directly see through sequential control circuit 64 and export liquid crystal panel 61 to, and reaches the purpose of saving internal memory.
For instance, please refer to Fig. 7, Fig. 7 is the signal sequential synoptic diagram of sequential control circuit 64 among Fig. 6.As shown in Figure 7, BLK1~BLKn represents the scanning block on the liquid crystal panel respectively, when sequential control circuit is finished the data output of scanning block BLK1, the back light of scanning block BLK1 is opened immediately, the achromatic sheet field data then continues to export to scanning block BLK2, by that analogy, to the last scanning block BLKn scans and finishes and begin to export till the next achromatic sheet field data.That is to say, under collocation scanning type framework backlight, the backlight open of scanning block can not have influence on the data write time of next block, therefore time schedule controller does not need the figure field internal memory of plug-in temporary usefulness, and the achromatic sheet field data that can directly system end be sent exports liquid crystal panel to, and reaches the purpose of saving internal memory.
Please refer to Figure 12, Figure 12 is the embodiment synoptic diagram that the present invention is used for an image flow for displaying 120 of color-sequence liquid crystal display (LCD) device.Image flow for displaying 120 is operation workflows of color-sequence liquid crystal display (LCD) device 30 and 60, and it includes the following step:
Step 1200: beginning.
Step 1210: in an image processing circuit, an image data is carried out Flame Image Process, have a drawing frame data of full-color information, and this drawing frame data is sorted, to produce a plurality of achromatic sheet field data according to the preface of filling in colors on a sketch in advance with generation.
Step 1220: see through a sequential control circuit, export achromatic sheet field data to a liquid crystal panel that this image processing circuit produces.
Step 1230: control the back light that a backlight module is opened the achromatic sheet field data of exporting corresponding to this image processing circuit.
Step 1240: finish.
About the detailed embodiment of image flow for displaying 120, clearly demonstrated in the embodiment of above-mentioned color-sequence liquid crystal display (LCD) device 30 and 60, no longer set forth in this.
Except above-mentioned embodiment, in order to save the required picture frame internal memory of sequential control circuit, the present invention can realize color-sequence liquid crystal display (LCD) device by other hardware structure in addition.Please refer to Fig. 8, Fig. 8 is the configuration diagram of the embodiment of the invention one color-sequence liquid crystal display (LCD) device 80.Color-sequence liquid crystal display (LCD) device 80 includes a liquid crystal panel 81, an image processing circuit 82, a data transmission interface Tx/Rx, a code translator 83 and a sequential control circuit 84.Image processing circuit 82 is to be arranged at as in the system end assemblies such as display adapter, is used for an image data is carried out Flame Image Process, has a drawing frame data of three primary colors information with generation, and in the frequency multiplication mode this drawing frame data is carried out plural number and export.Data transmission interface Tx/Rx is electrically connected at image processing circuit 82, is used for the output each time of drawing frame data is transmitted.Code translator 83 is electrically connected at data transmission interface Tx/Rx, is used for according to the preface of filling in colors on a sketch in advance the output each time of drawing frame data being deciphered, to produce achromatic sheet field data such as red, green, blue.Wherein, the quantity of the code translator 83 achromatic sheet field data that produces is preferably and equals the number of times that each drawing frame data is repeated to export, and also can be not limited thereto certainly.Sequential control circuit 84 is electrically connected at code translator 83 and liquid crystal panel 81, is used for controlling liquid crystal panel 81 and the backlight module 85 achromatic sheet field data exported of display decoder 83 in regular turn, to reach the purpose of time colour mixture.
Therefore, the embodiment of the invention is to export a plurality of identical drawing frame data by image processing circuit 82 frequencys multiplication, become achromatic sheet fields such as RGB to see through code translator 83 according to acquiescence look Xu Xie Code, thus, sequential control circuit 84 may command liquid crystal panels 81 and backlight module 85 be the achromatic sheet field data exported of display decoder 83 in regular turn, and reaches the purpose of time colour mixture.In this case, the embodiment of the invention not only can be saved the picture frame internal memory in the sequential control circuit, and owing to do not need additionally to change the function mode of traditional images treatment circuit and the transmission mode of drawing frame data, and can significantly reduce the complexity of design.
For instance, please refer to Fig. 9, Fig. 9 is the embodiment synoptic diagram of code translator 83 function modes among Fig. 8.When if color-sequence liquid crystal display (LCD) device 80 is desired with the acquiescence look preface show image picture of redness-green-blueness (R-G-B), compared to conventional architectures with 60 hertz frequency transmission drawing frame data to LCD, the embodiment of the invention can be by three identical drawing frame data of frequency transmission of 180 hertz to code translator 83, code translator 83 then can be deciphered each identical drawing frame data, to produce a red figure field data, a green figure data and a blue figure data in regular turn, as shown in Figure 9.
Note that the foregoing description only is of the present invention one explanation for example, this area tool knows that usually the knowledgeable ought be able to suitably revise according to the actual requirements, and is not limited thereto.For example, color-sequence liquid crystal display (LCD) device can also redness-green-blueness-green (R-G-B-G) etc. acquiescence look preface show image picture, perhaps by inserting the black drawing frame data with the image quality that promotes dynamic image etc., its associative operation is similar to the above embodiments, does not give unnecessary details in this.
In addition, please refer to Figure 10, Figure 10 is the configuration diagram of the embodiment of the invention one color-sequence liquid crystal display (LCD) device 90.Compared to Fig. 8, color-sequence liquid crystal display (LCD) device 90 includes a buffer 96 in addition, is electrically connected between code translator 93 and the sequential control circuit 94, is used for cushioning the achromatic sheet field data that code translator 93 is exported, to reduce the frequency of operation of sequential control circuit.For instance, suppose that buffer 96 includes six scratch block R1~R6, can be used for keeping in six picture elements respectively, so the picture element data that code translator 93 is exported can be kept in to block R1~R3 in regular turn, be sent to sequential control circuit 94 more in the lump, the picture element data of follow-up output then can be temporary among block R4~R6, by that analogy simultaneously.About the detailed operation mode of color sequential liquid crystal display 90, it is similar to the color sequential liquid crystal display 80 among Fig. 8, does not therefore add to set forth.
Please continue with reference to Figure 11, Figure 11 is the configuration diagram of the embodiment of the invention one color-sequence liquid crystal display (LCD) device 70.Compared to Fig. 8, color-sequence liquid crystal display (LCD) device 70 is that code translator 73 is implemented in system end, in order to produce a plurality of achromatic sheet field data according to acquiescence look Xu Xie Code, thus, data transmission interface Tx/Rx can transmit achromatic sheet field that code translator 73 produced to sequential control circuit 74, shows corresponding image frame with control liquid crystal panel 71.The function mode of color-sequence liquid crystal display (LCD) device 70 also is similar to the color sequential liquid crystal display of Fig. 9, does not add to set forth in this.
Please refer to Figure 13, Figure 13 is the embodiment synoptic diagram that the present invention is used for an image flow for displaying 130 of color-sequence liquid crystal display (LCD) device.Image flow for displaying 130 is operation workflows of color-sequence liquid crystal display (LCD) device 70,80 and 90, and it includes the following step:
Step 1300: beginning.
Step 1310 a: image data is carried out Flame Image Process, have a drawing frame data of full-color information with generation, and in the frequency multiplication mode this drawing frame data is carried out plural number and export.
Step 1320:, the output each time of this drawing frame data is deciphered, to produce a plurality of achromatic sheet field data according to an acquiescence look preface.
Step 1330: according to this a plurality of achromatic sheets field data, produce the driving signal of a liquid crystal panel, show this a plurality of achromatic sheets field data in regular turn to control this liquid crystal panel.
Step 1340: finish.
About the detailed embodiment of image flow for displaying 130, clearly demonstrated in the embodiment of above-mentioned color-sequence liquid crystal display (LCD) device 70,80 and 90, no longer set forth in this.
In brief, the embodiment of the invention is to produce a plurality of phase diagram frame datas by frequency multiplication, is decoded into achromatic sheet fields such as RGB to see through code translator according to acquiescence look preface, and can saves the use of the picture frame internal memory in the time schedule controller.In addition, because the embodiment of the invention does not need additionally to change the function mode of traditional time schedule controller and the transmission mode of drawing frame data, thereby can significantly reduce the difficulty when designing.
In sum, the embodiment of the invention provides the color sequential liquid crystal display framework of multiple improvement, saving the use of the picture frame internal memory in the sequential control circuit, and then saves production cost.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to the present patent application claim change and modify, and all should belong to covering scope of the present invention.