CN101848398A - Stereoscopic image displaying method - Google Patents
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- CN101848398A CN101848398A CN 201010128133 CN201010128133A CN101848398A CN 101848398 A CN101848398 A CN 101848398A CN 201010128133 CN201010128133 CN 201010128133 CN 201010128133 A CN201010128133 A CN 201010128133A CN 101848398 A CN101848398 A CN 101848398A
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Abstract
The invention relates to a stereoscopic image displaying method comprising the following steps: generating a plurality of right eye picture frame data and a plurality of left eye picture frame data according to original image data, multiplying the frequency of the first right eye picture frame data in all the right eye picture frame data to generate a corresponding first right eye frequency multiplication picture frame data, multiplying the frequency of the first left eye picture frame data in all the right eye picture frame data to generate a corresponding first left eye frequency multiplication picture frame data, outputting the first right eye frequency multiplication picture frame data for two consecutive times in the first picture frame cycle, and outputting the first left eye frequency multiplication picture frame data for two consecutive times in the second picture frame cycle following the first picture frame cycle. The stereoscopic image displaying method improves the optical uniformity of the liquid crystal display device when the liquid crystal display device displays the stereoscopic image, avoids the generation of the vague image and enhances the stereoscopic image displaying quality.
Description
Technical field
The present invention relates to a kind of display packing of stereopsis, particularly a kind ofly drive the method that liquid crystal indicator shows stereopsis.
Background technology
Compared to traditional 2D plane Display Technique, the 3D stereo display technique can provide more lively stereopsis, therefore becomes one of important directions of Display Technique development now.In simple terms, the operation principle of 3D stereopsis is that left-eye images is sent to left eye, right-eye image is sent to right eye, by the angle difference at right and left eyes visual angle, and makes the received image of right and left eyes coincide in user's brain to having the 3D stereopsis of the depth of field and stereovision.Common 3D stereopsis formation method comprises through polaroid glasses (polarizingglasses), shutter stereo and shows glasses (shutterglasses), and stereo display glasses modes such as (anaglyph).I-MAX stereophonic cinema at present in vogue and three-dimensional arenas adopt shutter stereo to show optometric technology mostly, and its operation principle system allows left eyeglass lens and right eye eyeglass switch in regular turn in turn: when the right eye eyeglass is opened, can export to the image that right eye is seen simultaneously on the screen; When left eyeglass lens was opened, the image on the screen can be exported to the image that left eye is seen simultaneously.No matter adopt which kind of 3D stereopsis formation method to present, it produces the different message gimmick of right and left eyes all is similar, so the 3D holographic display device needs to provide right and left eyes to have the image of different translational movements respectively according to image signal.
In the product of various display now, (liquidcrystaldisplay LCD) has that external form is frivolous, characteristics such as low power consumption and radiationless pollution to LCD, therefore is widely used in the various fields.LCD is to see through the image that the anglec of rotation that changes liquid crystal molecule shows different GTGs, so the reaction rate of liquid crystal molecule can influence display quality.
Please refer to Fig. 1, Fig. 1 is for adopting a kind of schematic diagram with liquid crystal indicator 10 of stereopsis Presentation Function of prior art.Liquid crystal indicator 10 comprises drive circuit 12 and display panels 14.Drive circuit 12 comprises display card 16, basic functions such as transmission/conversion image signal (for example receive, decipher, compiling and output map frame data) can be provided, or additionally provide the computing of 3D stereoscopic picture plane, figure to quicken additional functions such as function or multiple output.The display card 16 of prior art drive circuit 12 can produce corresponding left eye drawing frame data L1～Ln and right eye drawing frame data R1～Rn according to raw video data DATA, more in regular turn output map frame data R1, L1, R2, L2 ..., Rn and Ln to display panels 14 with show image.
Please refer to Fig. 2, the schematic diagram when Fig. 2 drives liquid crystal indicator 10 with the demonstration stereopsis for prior art.Fig. 2 has shown data-driven signal S
DATA, data enable signal S
ENA, left eyeglass lens opens signal L
ON, and the right eye eyeglass is opened signal R
ONWaveform.Data-driven signal S
DATAComprise the n pen corresponding to the drawing frame data L1～Ln of left-eye images and n pen drawing frame data R1～Rn corresponding to right-eye image.Data enable signal S
ENAComprise m picture frame cycle F1～Fm, each picture frame cycle respectively comprises between the vertical dead space with of a data output interval (verticalblankinginterval).Prior art in data output interval D1～Dm of picture frame cycle F1～Fm, write in regular turn respectively drawing frame data R1, L1, R2, L2 ..., Rn and Ln, between the vertical dead space of picture frame cycle F1～Fm, open in regular turn respectively in VBI1～VBIm right eye, left eye, right eye, left eye ..., right eye and left eyeglass lens.For instance, left and right sides glasses are all and cut out in data output interval D1, and can write the first stroke right eye drawing frame data R1 this moment, open the right eye eyeglass subsequently again between vertical dead space in the VBI1; Left and right sides glasses are all and cut out in data output interval D2, and can write the first stroke left eye drawing frame data L1 this moment, opens left eyeglass lens in the VBI2 again between vertical dead space subsequently; The rest may be inferred up to finishing whole image.
Please refer to Fig. 3, liquid crystal indicator 10 the schematic diagram when showing stereopsis of Fig. 3 for adopting prior art.Suppose the scan mode that liquid crystal indicator 10 adopts from top to bottom, TP1, TP2 and TP3 represent the pixel current potential that is positioned at panel top, central authorities and below test point, L respectively
ON/ R
ONRepresent left eye or right eye eyeglass to open signal, and when vertically opening the right and left eyes eyeglass between the dead space, the value of pixel current potential TP1, TP2 and TP3 is then respectively by among Fig. 3 " ● ", " ◆ " and " X " represent.As shown in Figure 3, after time point T1 was triggered by initial pulse voltage STV, data write the pixel that is positioned at the panel top the earliest, and the liquid crystal reaction time is the most abundant, when therefore between vertical dead space, opening the right and left eyes eyeglass, and the value of pixel current potential TP1 and target voltage V
TThe difference minimum.In scanning process from top to bottom, data just can write the pixel that is positioned at panel central authorities when time point T2, just can write at last the pixel that is positioned at below the panel when time point T3.Because the opening time of panel lower pixel point is the latest, the liquid crystal reaction time is the shortest, when therefore between vertical dead space, opening the right and left eyes eyeglass, and pixel current potential TP3 and target voltage V
TThe difference maximum.Liquid crystal indicator 10 its optics uniformitys of prior art are relatively poor, cause ghost (ghosting) phenomenon easily.
In general, the driving frequency of liquid crystal indicator 10 when the display plane image is 60 hertz, and liquid crystal reaction time this moment is approximately 16.7 milliseconds.Yet it is 120 hertz that the driving frequency of liquid crystal indicator 10 when showing stereopsis need promote, and liquid crystal reaction time this moment approximately shortens to 8.3 milliseconds, therefore influences display quality because of the pixel undercharge easily.Simultaneously, the liquid crystal indicator 10 of prior art is to open the right and left eyes eyeglass between vertical dead space, owing to account for the time in picture frame cycle interior 1/3rd between vertical dead space, so also can shorten the charging interval of pixel.On the other hand, liquid crystal indicator 10 is to adopt the line sweep mode to drive, promptly after being triggered, always scan with a certain party by initial pulse voltage STV, each row pixel on the openable panel in regular turn of direction from top to bottom for example, therefore the liquid crystal reaction time of panel diverse location can be variant, therefore influences the optics uniformity of display frame easily.
Summary of the invention
The object of the present invention is to provide a kind of display packing of stereopsis, it is relatively poor that this method has solved liquid crystal indicator optics uniformity when playing stereopsis, and the problem of " ghost " phenomenon is arranged, and improved display quality.
The display packing of stereopsis of the present invention comprises: produce complex right eye drawing frame data and complex left eye drawing frame data according to the raw video data; The first right eye drawing frame data in this complex right eye drawing frame data is carried out process of frequency multiplication to produce the corresponding first right eye frequency doubling image frame data; The first left eye drawing frame data in this complex left eye drawing frame data is carried out process of frequency multiplication to produce the corresponding first left eye frequency doubling image frame data; At first picture frame in the cycle, these first right eye frequency doubling image frame data of double output; And in second picture frame in the cycle of this first picture frame of continued access week after date, these first left eye frequency doubling image frame data of double output.
The invention has the advantages that the optics uniformity that has improved the picture of liquid crystal indicator when playing stereopsis, improved the display quality of image, it is relatively poor to have solved liquid crystal indicator optics uniformity when playing stereopsis, and the problem of " ghost " phenomenon is arranged.
Description of drawings
Fig. 1 is for adopting a kind of liquid crystal indicator schematic diagram with stereopsis Presentation Function of prior art.
Schematic diagram when Fig. 2 drives liquid crystal indicator with the demonstration stereopsis for prior art.
Fig. 3 is for adopting the liquid crystal indicator running schematic diagram of prior art.
The liquid crystal indicator schematic diagram that Fig. 4 adopts for the present invention with stereopsis Presentation Function.
Fig. 5 is for using liquid crystal indicator operation workflow figure of the present invention.
Fig. 6 is the schematic diagram of first embodiment of the invention when driving liquid crystal indicator with the demonstration stereopsis.
Fig. 7 is the schematic diagram of second embodiment of the invention when driving liquid crystal indicator with the demonstration stereopsis.
Fig. 8 is for adopting liquid crystal indicator running schematic diagram of the present invention.
Embodiment
Please refer to Fig. 4, Fig. 4 is the schematic diagram of the liquid crystal indicator with stereopsis Presentation Function 40 of the present invention's employing.Liquid crystal indicator 40 comprises drive circuit 42 and display panels 44.Drive circuit 42 comprises display card 46 and frequency multiplier circuit 50; Display card 46 can provide basic functions such as transmission/conversion image signal (for example receive, decipher, compiling and output map frame data), or additionally provides the computing of 3D picture, figure to quicken additional functions such as function or multiple output.Frequency multiplier circuit 50 comprises internal memory 56, can carry out process of frequency multiplication to the specific pattern frame data.In simple terms, the display card 46 of drive circuit 42 of the present invention can produce corresponding left eye drawing frame data L1～Ln and right eye drawing frame data R1～Rn according to raw video data DATA, more in regular turn output map frame data R1, L1, R2, L2 ..., Rn and Ln be to frequency multiplier circuit 50.Frequency multiplier circuit 50 can carry out process of frequency multiplication to drawing frame data L1～Ln and R1～Rn, to produce corresponding left eye frequency doubling image frame data L1 '～Ln ' and right eye frequency doubling image frame data R1 '～Rn ' respectively.Therefore, drive circuit 42 can respectively be exported two identical frequency doubling image frame data respectively in picture frame cycle F1～Fn.
For instance, behind the display card 46 outputs first right eye drawing frame data R1, drive circuit 42 can deposit the first right eye drawing frame data R1 in the internal memory 56 of frequency multiplier circuit 50 in; Display card 46 is then exported the first left eye drawing frame data L1, drive circuit 42 can deposit the first left eye drawing frame data L1 in the internal memory 56 of frequency multiplier circuit 50 in, frequency multiplier circuit 50 can carry out process of frequency multiplication to the first right eye drawing frame data R1 of its internal memory 56 internal memories simultaneously, and exports two first identical right eye frequency doubling image frame data R1 ' continuously to display panels 44 in picture frame cycle F1; Display card 46 is then exported the second right eye drawing frame data R2, and drive circuit 42 can deposit the second right eye drawing frame data R2 in the internal memory 56 of frequency multiplier circuit 50 in; Frequency multiplier circuit 50 can carry out process of frequency multiplication to the left eye drawing frame data L1 of its internal memory 56 internal memories simultaneously, and exports two first identical left eye frequency doubling image frame data L1 ' continuously to display panels 44 in picture frame cycle F2; The rest may be inferred up to finishing whole image.
Please refer to Fig. 5, the flow chart when Fig. 5 is liquid crystal indicator of the present invention 40 runnings.Fig. 5 comprises the following step:
Step 510: produce n right eye drawing frame data and n left eye drawing frame data according to the raw video data;
Step 520: n right eye drawing frame data carried out process of frequency multiplication to produce corresponding n right eye frequency doubling image frame data;
Step 530: n left eye drawing frame data carried out process of frequency multiplication to produce corresponding n left eye frequency doubling image frame data;
Step 540:, doublely export corresponding right eye frequency doubling image frame data with specific direction at 2n picture frame in the cycle in each odd number picture frame cycle continuously;
Step 550:, doublely export corresponding left eye frequency doubling image frame data with specific direction at 2n picture frame in the cycle in each even number picture frame cycle continuously.
Please refer to Fig. 6, Fig. 6 is the schematic diagram of first embodiment of the invention when driving liquid crystal indicator 40 with the demonstration stereopsis.In Fig. 6, S
DATAThe drawing frame data of representing frequency multiplier circuit 50 to receive, S
DATA' represent the drawing frame data of frequency multiplier circuit 50 output, and L
ONAnd R
ONRepresent left eye and right eye eyeglass to open the waveform of signal respectively.As previously mentioned, the display card 46 of drive circuit 42 of the present invention can according to raw video data DATA come in regular turn output map frame data R1, L1, R2, L2 ..., Rn and Ln be to frequency multiplier circuit 50, frequency multiplier circuit 50 produce in regular turn more corresponding frequency doubling image frame data R1 ', L1 ', R2 ', L2 ' ..., Rn ' and Ln '.So can in the write cycle of drawing frame data L1～Ln and R1～Rn, export two corresponding frequency doubling image frame data L1 '～Ln ' and R1 '～Rn ' respectively.On the other hand, when each picture frame write the frequency doubling image frame data for the second time in the cycle, the present invention can interlock in regular turn and open corresponding left eye or right eye glasses, allows the eyes image energy be sent to human brain and is combined into stereopsis.
Please refer to Fig. 7, Fig. 7 is the schematic diagram of second embodiment of the invention when driving liquid crystal indicator 40 with the demonstration stereopsis.In Fig. 7, S
DATAThe drawing frame data of representing frequency multiplier circuit 50 to receive, S
DATA' represent the drawing frame data of frequency multiplier circuit 50 output, L
ONAnd R
ONRepresent left eye and right eye eyeglass to open the waveform of signal respectively, SCAN1～SCAN6 then represents the controlling signal of scanning direction.In first embodiment of the invention, each picture frame all writes two identical frequency doubling image frame data with the same scan direction in the cycle; In second embodiment of the invention, each picture frame can write two identical frequency doubling image frame data with the different scanning direction in the cycle.Suppose that when controlling signal SCAN1～SCAN6 is high potential output frequency doubling image frame data are that from top to bottom scan mode is carried out; Suppose that when controlling signal SCAN1～SCAN6 is electronegative potential output frequency doubling image frame data are that from the bottom to top scan mode is carried out.As shown in Figure 7, when foundation controlling signal SCAN1 writes two identical frequency doubling image frame data, output the first stroke right eye frequency doubling image frame data are that from top to bottom scan mode is carried out, and are that from the bottom to top scan mode is carried out and export second right eye frequency doubling image frame data; When foundation controlling signal SCAN2 writes two identical frequency doubling image frame data, output the first stroke right eye frequency doubling image frame data are that from top to bottom scan mode is carried out, the scan mode of exporting second right eye frequency doubling image frame data and being is from the bottom to top carried out, output the first stroke left eye frequency doubling image frame data are that from the bottom to top scan mode is carried out, and are that from top to bottom scan mode is carried out and export second left eye frequency doubling image frame data; When foundation controlling signal SCAN3 writes two identical frequency doubling image frame data, output the first stroke right eye frequency doubling image frame data are that from top to bottom scan mode is carried out, the scan mode of exporting second right eye frequency doubling image frame data and being is from the bottom to top carried out, and is that all from top to bottom scan mode is carried out and export two left eye frequency doubling image frame data; When foundation controlling signal SCAN4 writes two identical frequency doubling image frame data, output the first stroke right eye frequency doubling image frame data are that from top to bottom scan mode is carried out, the scan mode of exporting second right eye frequency doubling image frame data and being is from the bottom to top carried out, and is that all from the bottom to top scan mode is carried out and export two left eye frequency doubling image frame data; When foundation controlling signal SCAN5 writes two identical frequency doubling image frame data, the scan mode of exporting two right eye frequency doubling image frame data and being is all from top to bottom carried out, output the first stroke left eye frequency doubling image frame data are that from top to bottom scan mode is carried out, and are that from the bottom to top scan mode is carried out and export second left eye frequency doubling image frame data; When foundation controlling signal SCAN6 writes two identical frequency doubling image frame data, the scan mode of exporting two right eye frequency doubling image frame data and being is all from top to bottom carried out, output the first stroke left eye frequency doubling image frame data are that from the bottom to top scan mode is carried out, and are that from top to bottom scan mode is carried out and export second left eye frequency doubling image frame data.Scan mode shown in Figure 7 only is embodiments of the invention, does not limit category of the present invention.
The present invention in concrete enforcement, also can be in this first picture frame cycle these first right eye frequency doubling image frame data of double output, and all carry out with first scanning direction; These first left eye frequency doubling image frame data of double output in this second picture frame cycle, and all carry out with second scanning direction, wherein this first and second scanning direction is reverse each other.
As previously mentioned, the display card 46 of drive circuit 42 of the present invention can according to raw video data DATA come in regular turn output map frame data R1, L1, R2, L2 ..., Rn and Ln be to frequency multiplier circuit 50, frequency multiplier circuit 50 produce in regular turn more corresponding frequency doubling image frame data R1 ', L1 ', R2 ', L2 ' ..., Rn ' and Ln '.So can in the write cycle of drawing frame data L1～Ln and R1～Rn, export two corresponding frequency doubling image frame data L1 '～Ln ' and R1 '～Rn ' respectively.On the other hand, when each picture frame write the frequency doubling image frame data for the second time in the cycle, the present invention can interlock in regular turn and open corresponding left eye or right eye glasses, allows the eyes image energy be sent to human brain and is combined into stereopsis.
Please refer to Fig. 8, the schematic diagram when Fig. 8 operates for adopting liquid crystal indicator 40 of the present invention.Suppose the scan mode that liquid crystal indicator 40 adopts from top to bottom, TP1, TP2 and TP3 represent the pixel current potential that is positioned at panel top, central authorities and below test point, L respectively
ON/ R
ONRepresent left eye or right eye eyeglass to open signal, when opening the right and left eyes eyeglass value of pixel current potential TP1, TP2 and TP3 then respectively by Fig. 7 in " ● ", " ◆ " and " X " represent.As previously mentioned, after being triggered by initial pulse voltage STV, data write the pixel that is positioned at panel top the earliest when time point T1, then just can write the pixel that is positioned at panel central authorities when time point T2, the last pixel that is positioned at below the panel that just can write when time point T3.When the scan mode that adopts from top to bottom, the liquid crystal reaction time of panel below is minimum, and the present invention can see through and write two identical frequency doubling image frame data to allow liquid crystal have the enough time to be charged to target voltage.As shown in Figure 8, when left eye or right eye eyeglass after time point T4 is unlocked, pixel current potential TP1, TP2, TP3 and target voltage V when time point T5
TBetween difference can be reduced, therefore can promote the uniformity of display frame.No matter be that from scan start point pixel far away, the present invention all can increase its liquid crystal reaction time at panel, and then promotes display quality from top to bottom, from the bottom to top or other scan mode.Only be embodiments of the invention shown in the 8th figure, do not limit the present invention's category.
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.
Claims (14)
1. the display packing of a stereopsis is characterized in that, comprises:
Produce complex right eye drawing frame data and complex left eye drawing frame data according to the raw video data;
The first right eye drawing frame data in this complex right eye drawing frame data is carried out process of frequency multiplication to produce the corresponding first right eye frequency doubling image frame data;
The first left eye drawing frame data in this complex left eye drawing frame data is carried out process of frequency multiplication to produce the corresponding first left eye frequency doubling image frame data;
At first picture frame in the cycle, these first right eye frequency doubling image frame data of double output; And in second picture frame in the cycle of this first picture frame of continued access week after date, these first left eye frequency doubling image frame data of double output.
2. the display packing of a kind of stereopsis according to claim 1 is characterized in that, comprises: receive this first right eye drawing frame data, and store this first right eye drawing frame data; Receive this first left eye drawing frame data again, and store this first left eye drawing frame data, simultaneously this first right eye drawing frame data is carried out process of frequency multiplication.
3. the display packing of a kind of stereopsis according to claim 1, it is characterized in that: exporting these first right eye frequency doubling image frame data for the first time in this first picture frame cycle is to carry out with first scanning direction, and export these first right eye frequency doubling image frame data for the second time in this first picture frame cycle is to carry out with second scanning direction, and this first and second scanning direction is reverse each other.
4. the display packing of a kind of stereopsis according to claim 3, it is characterized in that: exporting these first left eye frequency doubling image frame data for the first time in this second picture frame cycle is to carry out with this first scanning direction, is to carry out with this second scanning direction and export these first left eye frequency doubling image frame data for the second time in this second picture frame cycle.
5. the display packing of a kind of stereopsis according to claim 3, it is characterized in that: exporting these first left eye frequency doubling image frame data for the first time in this second picture frame cycle is to carry out with this second scanning direction, is to carry out with this first scanning direction and export these first left eye frequency doubling image frame data for the second time in this second picture frame cycle.
6. the display packing of a kind of stereopsis according to claim 3, it is characterized in that: these first left eye frequency doubling image frame data of double output are all to carry out with this first scanning direction in this second picture frame cycle.
7. the display packing of a kind of stereopsis according to claim 3, it is characterized in that: these first left eye frequency doubling image frame data of double output are all to carry out with this second scanning direction in this second picture frame cycle.
8. the display packing of a kind of stereopsis according to claim 1, it is characterized in that: these first right eye frequency doubling image frame data of double output are all to carry out with first scanning direction in this first picture frame cycle.
9. the display packing of a kind of stereopsis according to claim 8, it is characterized in that: these first left eye frequency doubling image frame data of double output are all to carry out with second scanning direction in this second picture frame cycle, and wherein this first and second scanning direction is reverse each other.
10. the display packing of a kind of stereopsis according to claim 8, it is characterized in that: exporting these first left eye frequency doubling image frame data for the first time in this second picture frame cycle is to carry out with this first scanning direction, and export these first left eye frequency doubling image frame data for the second time in this second picture frame cycle is to carry out with second scanning direction, and this first and second scanning direction is reverse each other.
11. the display packing of a kind of stereopsis according to claim 8, it is characterized in that: exporting these first left eye frequency doubling image frame data for the first time in this second picture frame cycle is to carry out with second scanning direction, and export these first left eye frequency doubling image frame data for the second time in this second picture frame cycle is to carry out with this first scanning direction, and this first and second scanning direction is reverse each other.
12. the display packing of a kind of stereopsis according to claim 1 is characterized in that: in this first picture frame cycle these first right eye frequency doubling image frame data of double output and in this second picture frame cycle these first left eye frequency doubling image frame data of double output be all to carry out with same scanning direction.
13. the display packing of a kind of stereopsis according to claim 1 is characterized in that, comprises:
The second right eye drawing frame data in this complex right eye drawing frame data is carried out process of frequency multiplication to produce the corresponding second right eye frequency doubling image frame data;
The second left eye drawing frame data in this complex left eye drawing frame data is carried out process of frequency multiplication to produce the corresponding second left eye frequency doubling image frame data;
In the 3rd picture frame in the cycle of this second picture frame of continued access week after date, these second right eye frequency doubling image frame data of double output; And at four picture frame of continued access the 3rd picture frame after the cycle in the cycle, these second left eye frequency doubling image frame data of double output.
14. the display packing of a kind of stereopsis according to claim 13 is characterized in that, comprises: receive this second right eye drawing frame data, and store this second right eye drawing frame data, simultaneously this first left eye drawing frame data is carried out process of frequency multiplication; Receive this second left eye drawing frame data again, and store this second left eye drawing frame data, simultaneously this second right eye drawing frame data is carried out process of frequency multiplication.
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| CN102760418A (en) * | 2011-04-28 | 2012-10-31 | 乐金显示有限公司 | Stereoscopic image display device and method for driving the same |
| CN103096108A (en) * | 2012-11-29 | 2013-05-08 | 青岛海信电器股份有限公司 | Method and device for image display and television |
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| CN102469325A (en) * | 2010-11-05 | 2012-05-23 | 三星移动显示器株式会社 | Stereoscopic image display device and driving method thereof, and data driving apparatus and shutter glasses |
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Application publication date: 20100929 |