CN103108205A - stereoscopic display system - Google Patents
stereoscopic display system Download PDFInfo
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- CN103108205A CN103108205A CN2012105361454A CN201210536145A CN103108205A CN 103108205 A CN103108205 A CN 103108205A CN 2012105361454 A CN2012105361454 A CN 2012105361454A CN 201210536145 A CN201210536145 A CN 201210536145A CN 103108205 A CN103108205 A CN 103108205A
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- 230000004913 activation Effects 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000001915 proofreading effect Effects 0.000 description 1
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- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Liquid Crystal Display Device Control (AREA)
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Abstract
The invention provides a stereoscopic display system which comprises a display panel and a plurality of gamma lookup tables. The display panel has a plurality of pixel rows, and each pixel row has a plurality of pixels. The pixels in each pixel row comprise a first group of pixels and a second group of pixels, and each pixel comprises a first sub-pixel and a second sub-pixel. The gamma lookup table includes a first gamma lookup table and a second gamma lookup table. Particularly, the invention selects the gray scale signal generated by one of the first gamma lookup table and the second gamma lookup table according to a control signal and transmits the gray scale signal to the corresponding pixel.
Description
Technical field
The present invention relates to a kind of display system, particularly relate to a kind of operation with three-dimensional display system of uniform luminance demonstration.
Background technology
Stereo display technique has become one of important directions of Display Technique development now due to the beholder can be provided lively stereopsis.Prior art comprises the spatial stereo display technique, and its principle makes display floater demonstrate simultaneously two groups of pictures that supply left eye and right eye to watch respectively, and makes beholder's left eye only receive the left eye picture, and right eye only receives the right eye picture.
The Picture switch frequency of general closed planar display system is 60Hz.Yet three-dimensional display system just must be brought up to 120Hz with the Picture switch frequency in order to show respectively the picture that left eye and right eye are watched.In existing technology, when three-dimensional display system is operated in the lower time of pattern that the Picture switch frequency is 120Hz, and liquid crystal self transition speed characteristics, cause opening time and shut-in time fast not, cause the phenomenon of crosstalk (crosstalk) under three-dimensional display system.In order to solve this crosstalk phenomenon, can insert a black picture in prior art and improve fast not crosstalk phenomenon of liquid crystal transition shut-in time between left eye picture and right eye picture.Adopt the resolution decreasing mode to increase the Picture switch frequency to 240Hz for reaching this purpose.
Yet in existing solution, the GTG signal level that offers each pixel on the panel of three-dimensional display system may be not quite similar.At this moment, will cause the shown picture of three-dimensional display system to have the situation of brightness irregularities to occur.
Summary of the invention
In view of this, the invention provides a kind of three-dimensional display system, can the uniform stereopsis of output brightness.
The invention provides a kind of three-dimensional display system, comprise display floater, a plurality of scan line, a plurality of data wire, a plurality of gamma look-up tables.Have a plurality of pixel columns of arranging along a line direction on this display floater, and each pixel column sequentially is arranged with a plurality of pixels along a column direction.Wherein, the pixel in each pixel column comprises one first group of pixel and one second group of pixel, and each pixel comprises one first sub-pixel and the second sub-pixel.Each pixel column respectively correspondence be electrically connected to scan line one of them.And scan line comprises a plurality of the first scan lines and a plurality of the second scan line alternative arrangement, and each first scan line has the identical activation time with the sweep signal that the second scan line of adjacent setting receives.Data wire also comprises a plurality of the first data wires and a plurality of the second data wire, and each first data wire and the second data wire are electrically connected on respectively corresponding pixel.In addition, gamma look-up tables comprises the first gamma look-up tables and the second gamma look-up tables.Wherein, the first sub-pixel of each first group of pixel is electrically connected on the first data wire, and the second sub-pixel of first group of pixel is electrically connected on the second data wire.In addition, the first sub-pixel of each second group of pixel is electrically connected on the second data wire, and the second sub-pixel of second group of pixel is electrically connected on the first data wire.First group of pixel and second group of pixel are arranged alternately in column direction, and are arranged alternately in line direction.Meeting of the present invention selects the first gamma look-up tables and one of them GTG signal that produces of this second gamma look-up tables to be sent to corresponding pixel according to a control signal.
Due to during the same display cycle, the GTG signal that offers pixel is from identical gamma look-up tables, and therefore during a display cycle, the brightness of left eye picture and right eye picture is identical.In addition, during next display cycle, can provide the pixel of GTG signal to same position by another gamma look-up tables, so the brightness meeting of each pixel column is by average.Thus, three-dimensional display system of the present invention just can the uniform stereopsis of output brightness.
For above and other objects of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate appended accompanying drawing, be described in detail below.
Description of drawings
Fig. 1 is depicted as the picture element matrix schematic diagram according to a kind of three-dimensional display system of one embodiment of the invention;
Fig. 2 is depicted as the sequential chart according to the sweep signal of one embodiment of the invention;
Fig. 3 A is depicted as and concerns schematic diagram according to control signal XSFT and display cycle in one embodiment of the invention;
Fig. 3 B is depicted as the GTG signal schematic representation of the gamma look-up tables output of the correspondence that receives according to one embodiment of the invention neutron pixel.
Reference numeral
100: three-dimensional display system 102: display floater
104,106: gamma look-up tables 110: data drive circuit
115: 120: the first groups of pixels of scan drive circuit
130: the second groups of pixel 120a: the first sub-pixel of first group of pixel
120b: the second sub-pixel 130a of first group of pixel: the first sub-pixel of second group of pixel
130b: the second sub-pixel 140 of second group of pixel: time schedule controller
A: the GTG signal of the first gamma look-up tables output
B: the GTG signal of the second gamma look-up tables output
D1, D2: data wire
G, G1, G2, G3, G4, GK-1, GK: scan line
T: the activation time X of sweep signal: line direction
XSFT: control signal Y: column direction
Embodiment
Fig. 1 is depicted as the schematic diagram according to a kind of three-dimensional display system of one embodiment of the invention.Please refer to Fig. 1, the three-dimensional display system 100 that the present embodiment provides comprises display floater 102, the first gamma look-up tables 104 and the second gamma look-up tables 106, a plurality of scan line G1, G2 ..., GK, a plurality of data wires.In display floater 102 along column direction Y sequentially arranged a plurality of scan line G1, G2 ..., GK, and K is positive integer.Wherein, each scan line G1, G2 ..., GK correspond respectively to a plurality of pixel column R1, R2 ..., RK one of them, and scan line comprises a plurality of the first scan lines and a plurality of the second scan line alternative arrangement, the first scan line can be for example the even number line scan line, and the second scan line is the odd line interlace line, and the sweep signal that the N horizontal scanning line receives has the identical activation time with the sweep signal that the N+1 horizontal scanning line receives.In addition, along line direction X, sequentially arranged a plurality of data wires with the first data wire D1 and second data wire D2, and be coupled to respectively data drive circuit 110.Each pixel column R1, R2 ..., in RK, have respectively a plurality of pixels, for example first group of pixel 120 and second group of pixel 130.In addition, each first group of pixel 120 all has the first sub-pixel 120a and the second sub-pixel 120b, and the first sub-pixel of first group of pixel is coupled to the first corresponding data wire, and the second sub-pixel of first group of pixel is coupled to the second corresponding data wire.Each second group of pixel 130 all has the first sub-pixel 130a and the second sub-pixel 130b, and the first sub-pixel of second group of pixel is coupled to the second corresponding data wire, and the second sub-pixel of second group of pixel is coupled to the first corresponding data wire.In the present embodiment, first group of pixel 120 and second group of pixel 130 are arranged alternately in line direction X, and also are arranged alternately in column direction Y.In addition, each pixel column R1, R2 ..., the first sub-pixel 120a, the 130a of each pixel in RK and the second sub-pixel 120b, 130b be coupled to respectively corresponding scan line G1, G2 ..., GK.When N horizontal scanning line and N+1 horizontal scanning line receive sweep signal simultaneously, be positioned at activation during the time, the capable pixel of N and the capable pixel of N+1 are switched on simultaneously and receive from one of them GTG signal (grey level signal) of the first gamma look-up tables 104 and the second gamma look-up tables 106.
Three-dimensional display system 100 separately comprises data drive circuit 110, and in order to data signal, data-signal is via the first gamma look-up tables 104 and the second gamma look-up tables 106 rear output of one of them compensation GTG signals.In addition, separately comprise time schedule controller 140 at three-dimensional display system 100, in order to provide control signal XSFT to data drive circuit 110.Data drive circuit is sent to the first gamma look-up tables 104 and the second gamma look-up tables 106 GTG signals in respective pixel respectively by data wire according to after receiving control signal XSFT.In the beginning of a display cycle, just can according to the initial state of control signal XSFT, select the GTG signal is delivered to corresponding sub-pixel via data wire.Three-dimensional display system 100 separately comprises scan drive circuit 115, in order to provide sweep signal to corresponding scan line.
Please refer to Fig. 2, Fig. 2 illustrates the activation time of scan line, as shown in Figure 2, a plurality of scan line G1, G2 ..., GK, the sweep signal that the N horizontal scanning line receives has identical activation time T with the sweep signal that the N+1 horizontal scanning line receives, wherein N one is not more than the positive integer of K, the activation time by activation time to the K horizontal scanning line GK of the first row scan line G1 is defined as an image time (frame), in three-dimensional display system, an image time can be in order to show a left eye picture or a right eye picture.
Fig. 3 A illustrates and concerns schematic diagram according to control signal XSFT and display cycle in one embodiment of the invention, and initial in each picture of the first display cycle, the initial state of control signal XSFT is first standard, can be for example electronegative potential L; Each picture in the second display cycle is initial, and the initial state of control signal XSFT is that second is accurate, can be for example high potential H.
Fig. 3 B is depicted as the GTG signal schematic representation of the gamma look-up tables output of the correspondence that receives according to one embodiment of the invention neutron pixel.Fig. 3 A that please arrange in pairs or groups merges reference, when in the first picture 1stframe of a display cycle when initial, the first row scan line G1 and the second horizontal scanning line G2 are enabled, the state of control signal XSFT is positioned at first standard, can be for example electronegative potential L, the first sub-pixel 120a of first group of pixel just can receive the GTG signal from the first gamma look-up tables 104, represent with A, and the second sub-pixel 120b of first group of pixel receives the GTG signal from the second gamma look-up tables 106, represent with B, and the first sub-pixel 130a of second group of pixel receives the GTG signal from the second gamma look-up tables 106, represent with B, the second sub-pixel 130b of second group of pixel receives the GTG signal from the first gamma look-up tables 104, represent with A, by that analogy, when the first row scan line G1 and the second horizontal scanning line G2 are disabled, and the third line scan line G3 and fourth line scan line G4 are when being enabled, the state of control signal XSFT is positioned at the second standard, can be for example high potential H, the first sub-pixel 120a of first group of pixel just can receive the GTG signal from the second gamma look-up tables 106, represent with B, and the second sub-pixel 120b of first group of pixel receives the GTG signal from the first gamma look-up tables 104, represent with A, and the first sub-pixel 130a of second group of pixel receives the GTG signal from the first gamma look-up tables 104, represent with A, the second sub-pixel 130b of second group of pixel receives the GTG signal from the second gamma look-up tables 106, represent with B, by that analogy.Please arrange in pairs or groups Fig. 3 B with reference to Fig. 1 again, thus the GTG signal that receives of the first sub-pixel of the first row pixel R1 the right side is sequentially ABBAABBA by a left side ..., and the GTG signal that the second sub-pixel of the first row pixel R1 receives the right side is sequentially BAABBAAB by a left side ...
When in the second picture 2nd frame of a display cycle when initial, the first row scan line G1 and the second horizontal scanning line G2 are enabled, and the state of control signal XSFT is positioned at first standard, can be for example electronegative potential L.When the third line scan line G3 and fourth line scan line G4 were enabled, the state of control signal XSFT was positioned at the second standard, by that analogy.All the other three-picture 3rd frame, all so state with the 4th picture 4th frame, do not give unnecessary details at this.The second picture 2nd frame and the 4th picture 4th frame can be for example black picture B(Black), insert a black picture B(Black between left eye picture L and right eye picture R) can improve liquid crystal transition shut-in time ability, reduction is crosstalked.The first picture 1st frame can be for example left eye picture L, and three-picture 3rd frame can be for example right eye picture R.Three-dimensional display system 100 is completed the demonstration of left eye L and right eye R picture in a display cycle.
when in the first picture 1st frame of next display cycle when initial, the first row scan line G1 and the second horizontal scanning line G2 are enabled, the state of control signal XSFT is positioned at the second standard, can be for example high potential H, the first sub-pixel 120a of first group of pixel just can receive the GTG signal from the second gamma look-up tables 106, represent with B, and the second sub-pixel 120b of first group of pixel receives the GTG signal from the first gamma look-up tables 104, represent with A, and the first sub-pixel 130a of second group of pixel receives the GTG signal from the first gamma look-up tables 104, represent with A, the second sub-pixel 130b of second group of pixel receives the GTG signal from the second gamma look-up tables 106, represent with B, by that analogy, when the first row scan line G1 and the second horizontal scanning line G2 are disabled, and the third line scan line G3 and fourth line scan line G4 are when being enabled, the state of control signal XSFT is positioned at first standard, can be for example electronegative potential L, the first sub-pixel 120a of first group of pixel just can receive the GTG signal from the first gamma look-up tables 104, represent with A, and the second sub-pixel 120b of first group of pixel receives the GTG signal from the second gamma look-up tables 106, represent with B, and the first sub-pixel 130a of second group of pixel receives the GTG signal from the second gamma look-up tables 106, represent with B, the second sub-pixel 130b of second group of pixel receives the GTG signal from the first gamma look-up tables 104, represent with A, by that analogy.Please arrange in pairs or groups Fig. 3 B with reference to Fig. 1 again, thus the GTG signal that receives of the first sub-pixel of the first row pixel R1 the right side is sequentially BAABBAAB by a left side ..., and the GTG signal that the second sub-pixel of the first row pixel R1 receives the right side is sequentially ABBAABBA by a left side ...
One embodiment of the invention are provided in the different display cycles, has different initial bit by switch-over control signal XSFT in each different display cycle accurate, make every two display cycles, first group of pixel 120 different from the gamma look-up tables of second group of pixel 130 conducting, improve the luminance uniformity of display frame.Even gamma look-up tables is the error of proofreading and correct the GTG signal, yet owing to still having a little error amount between different gamma look-up tables circuit, alternately switch by two display cycles the error between low circuit more can be improved the luminance uniformity of display frame.
as known from the above, the group pixel intensity is not simultaneously, namely GTG luminance signals A and the B of the first gamma look-up tables 104 and the second gamma look-up tables 106 outputs are unequal, will produce bright concealed wire under display frame, then under the same display cycle, for fear of the right and left eyes brightness disproportionation, therefore under the display cycle, its XSFT signal waveform of 4 pictures (frame) is identical, in next display cycle, XSFT signal waveform and a upper periodic waveform are complementary, utilize gray scale voltage switching on the space, therefore the brightness value of each pixel column can compensate by complementation, and the problem of the bright concealed wire of solution picture.
In certain embodiments, the number of data wire is the 2M bar, and the number of scan line is the N bar.Therefore, the screen resolution that provides in these embodiments is M*N.Yet due in the present embodiment, scan line and N+1 horizontal scanning line that N is capable can be enabled simultaneously, and therefore actual resolution is M*N/2, and wherein M and N are natural number.
Although the present invention discloses as above with preferred embodiment; yet it is not to limit the present invention; anyly be familiar with those skilled in the pertinent art; without departing from the spirit and scope of the present invention; can do a little change and modification, so protection scope of the present invention should be defined by appending claims and is as the criterion.
Claims (10)
1. a three-dimensional display system, is characterized in that, comprising:
One display floater, comprise a plurality of pixel columns of arranging along a line direction, and each pixel column sequentially is arranged with a plurality of pixels along a column direction, and wherein those pixels have one first group of pixel and one second group of pixel, and each pixel comprises one first sub-pixel and one second sub-pixel;
A plurality of scan lines are electrically connected on corresponding pixel column, comprise a plurality of the first scan lines and a plurality of the second scan line alternative arrangement, and wherein each first scan line has the identical activation time with the sweep signal that this second scan line of adjacent setting receives;
A plurality of data wires comprise a plurality of the first data wires and a plurality of the second data wire, and each first data wire is electrically connected on corresponding pixel with each second data wire; And
A plurality of gamma look-up tables comprise one first gamma look-up tables and one second gamma look-up tables,
wherein the first sub-pixel of each first group of pixel is electrically connected on the first data wire, and the second sub-pixel of first group of pixel is electrically connected on the second data wire, and the first sub-pixel of each second group of pixel is electrically connected on the second data wire, and the second sub-pixel of second group of pixel is electrically connected on the first data wire, those first group of pixel and those second group of pixel are arranged alternately in this column direction, and be arranged alternately in this line direction, those gamma look-up tables select this first gamma look-up tables and one of them GTG signal that produces of this second gamma look-up tables to be sent to corresponding pixel according to a control signal.
2. three-dimensional display system according to claim 1, is characterized in that, also comprises:
when this control signal punctual in one first, provide the GTG signal to the first sub-pixel of this first group of pixel and the second sub-pixel of this second group of pixel by this first gamma look-up tables, and this second gamma look-up tables provides GTG signal the second sub-pixel and this first sub-pixel of second group to this first group of pixel, when this control signal punctual in a second, provide GTG signal the second sub-pixel and this first sub-pixel of second group to this first group of pixel by this first gamma look-up tables, and provide the GTG signal to the first sub-pixel of this first group of pixel and the second sub-pixel of this second group of pixel by this second gamma look-up tables.
3. three-dimensional display system according to claim 2, is characterized in that, also comprises:
In a display cycle (4 frame), the initial state of this control signal is this first standard, and in the next display cycle, the initial state of this control signal is that this second is accurate.
4. three-dimensional display system according to claim 3, is characterized in that, this first standard is that electronegative potential and this second standard are high potential.
5. three-dimensional display system according to claim 3, is characterized in that, also comprises:
This control signal is according to the accurate state in activation time change position of sweep signal.
6. three-dimensional display system according to claim 3, is characterized in that, each display cycle comprises one first image time and one second image time, and this first image time is to equate with this second image time.
7. three-dimensional display system according to claim 5, is characterized in that, between this first image time and this second image time, also comprises a black picture.
8. three-dimensional display system according to claim 1, is characterized in that, separately comprises time schedule controller in order to this control signal to be provided.
9. three-dimensional display system according to claim 1, is characterized in that, separately comprises the one scan driver element in order to provide sweep signal to corresponding scan line.
10. three-dimensional display system according to claim 1, is characterized in that, separately comprises a data-driven unit in order to provide data-signal to corresponding data wire and to be electrically connected on this first gamma look-up tables and this second gamma look-up tables.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101139578 | 2012-10-25 | ||
| TW101139578A TWI469130B (en) | 2012-10-25 | 2012-10-25 | Stereo display system |
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| Publication Number | Publication Date |
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| CN103108205A true CN103108205A (en) | 2013-05-15 |
| CN103108205B CN103108205B (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210536145.4A Expired - Fee Related CN103108205B (en) | 2012-10-25 | 2012-12-12 | stereoscopic display system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103108205B (en) |
| TW (1) | TWI469130B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103763550A (en) * | 2014-01-16 | 2014-04-30 | 东南大学 | Method for fast measuring crosstalk of stereoscopic display |
| CN104050885A (en) * | 2014-03-27 | 2014-09-17 | 友达光电股份有限公司 | Display panel and driving method thereof |
| CN108269525A (en) * | 2017-01-03 | 2018-07-10 | 昆山国显光电有限公司 | AMOLED display device and its driving method |
| CN108877640A (en) * | 2018-09-27 | 2018-11-23 | 京东方科技集团股份有限公司 | Display panel and displaying panel driving method |
| CN110361901A (en) * | 2019-01-03 | 2019-10-22 | 友达光电股份有限公司 | Image element array substrates and its driving method |
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| CN101221716A (en) * | 2008-01-24 | 2008-07-16 | 友达光电股份有限公司 | Data driver using gamma selection signal, and plane display device and driving method |
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| JP2003280600A (en) * | 2002-03-20 | 2003-10-02 | Hitachi Ltd | Display device, and its driving method |
| KR101224459B1 (en) * | 2007-06-28 | 2013-01-22 | 엘지디스플레이 주식회사 | Liquid Crystal Display |
| TWI431578B (en) * | 2010-09-27 | 2014-03-21 | Au Optronics Corp | Method of driving display panel |
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- 2012-10-25 TW TW101139578A patent/TWI469130B/en not_active IP Right Cessation
- 2012-12-12 CN CN201210536145.4A patent/CN103108205B/en not_active Expired - Fee Related
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| US20050099549A1 (en) * | 2003-10-08 | 2005-05-12 | Cheng-Jung Chen | Driving circuit of a liquid crystal display and relating driving method |
| CN101458907A (en) * | 2007-12-13 | 2009-06-17 | 恩益禧电子股份有限公司 | Apparatus and method for driving liquid crystal display panel |
| CN101221716A (en) * | 2008-01-24 | 2008-07-16 | 友达光电股份有限公司 | Data driver using gamma selection signal, and plane display device and driving method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103763550A (en) * | 2014-01-16 | 2014-04-30 | 东南大学 | Method for fast measuring crosstalk of stereoscopic display |
| CN103763550B (en) * | 2014-01-16 | 2015-07-08 | 东南大学 | Method for fast measuring crosstalk of stereoscopic display |
| CN104050885A (en) * | 2014-03-27 | 2014-09-17 | 友达光电股份有限公司 | Display panel and driving method thereof |
| CN104050885B (en) * | 2014-03-27 | 2017-04-12 | 友达光电股份有限公司 | Display panel and driving method thereof |
| CN108269525A (en) * | 2017-01-03 | 2018-07-10 | 昆山国显光电有限公司 | AMOLED display device and its driving method |
| CN108877640A (en) * | 2018-09-27 | 2018-11-23 | 京东方科技集团股份有限公司 | Display panel and displaying panel driving method |
| CN108877640B (en) * | 2018-09-27 | 2021-11-12 | 京东方科技集团股份有限公司 | Display panel and display panel driving method |
| CN110361901A (en) * | 2019-01-03 | 2019-10-22 | 友达光电股份有限公司 | Image element array substrates and its driving method |
| CN110361901B (en) * | 2019-01-03 | 2022-03-25 | 友达光电股份有限公司 | Pixel array substrate and driving method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI469130B (en) | 2015-01-11 |
| TW201417091A (en) | 2014-05-01 |
| CN103108205B (en) | 2014-11-12 |
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