CN102005198B - Backlight module driving system and driving method - Google Patents

Backlight module driving system and driving method Download PDF

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Publication number
CN102005198B
CN102005198B CN201010575652XA CN201010575652A CN102005198B CN 102005198 B CN102005198 B CN 102005198B CN 201010575652X A CN201010575652X A CN 201010575652XA CN 201010575652 A CN201010575652 A CN 201010575652A CN 102005198 B CN102005198 B CN 102005198B
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signal
time
backlight
vertical blank
image signal
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CN102005198A (en
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林信彰
陈弼先
邱俊杰
陈建仰
黄天勇
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Suzhou Shengze Science And Technology Pioneer Park Development Co ltd
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CPT Video Wujiang Co Ltd
Chunghwa Picture Tubes Ltd
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Abstract

The invention discloses a backlight module driving system and driving method, which is used for a liquid crystal display. In the liquid crystal display, when a time schedule controller obtains a three-dimensional image signal provided by a graphic processor, a liquid crystal driving control signal is generated, and a dimming signal is generated according to the data write time and vertical blank interval time of the liquid driving control signal. A backlight driver obtains and analyzes the dimming signal so as to close the backlight module at the period of the data write time, and start the backlight module within the vertical blank interval time.

Description

Module drive system backlight and driving method thereof
Technical field
The invention relates to a kind of backlight liquid crystal display system, particularly relevant for a kind of module drive system backlight and driving method thereof.
Background technology
Illustrate the stereopsis shutter glasses system drive sequential synoptic diagram of prior art like Fig. 1.In the prior art; Stereopsis (3D image) display technique comprises a kind of spectacle technology; Wherein, fast gate-type stereopsis technology mainly is to utilize the fast updating frequency (more than the 120Hz/ picture) that promotes picture to realize the stereopsis effect, belongs to active stereopsis technology.When stereoscopic image signals provides to display, renewal frequency is that the picture of 120Hz can present left eye with the form of picture sequence, the right eye picture alternately produces.The picture of display alternately needs synchronous with shutter glasses, and when promptly display showed the left eye picture, shutter glasses was only opened the left eye camera lens, and when display showed the right eye picture, shutter glasses was only opened the right eye camera lens.So, audience's left eye only receives the left eye picture, and audience's right eye only receives the right eye picture.And two eyes of audience are seen the different pictures of quick switching, in brain, to produce illusion by the visual persistence effect of human eye, so can see stereopsis.
Illustrate like Fig. 1; After the picture data of stereoscopic image signals writes the most last bar sweep trace (supposing to have the 1080th) in regular turn from the 1st sweep trace of display; The time schedule controller of display can no longer carry out data in a vertical blank and write behavior in interval time, the left eye camera lens of shutter glasses or right eye camera lens can be opened in this time.
Yet, the picture data of confession left eye or eye viewing, meeting be written into the pixel cell of display during data write.But in fact; Module backlight is the meeting perseveration during data write; Shutter glasses is to be in closing state during data write, so the neither meeting of shutter glasses and display demonstrates the image variation situation that picture data is written into, therefore module backlight is the power consumption state that is in no purposes in more than half time; Form energy dissipation for no reason; The power consumption of liquid crystal panel promotes, and causes the contrast of work efficiency, assembly life-span and the actual energy loss of liquid crystal panel not meet economic benefit, promotes meaningless power consumption cost simultaneously.
So, when how to make display present stereopsis, reduce the power consumption of display, be the problem of manufacturer because of pondering over.
Summary of the invention
The problem that desire of the present invention solves provides a kind ofly adjusts the luminance brightness of module backlight in appearing between the stereopsis operational period, to reduce the back light system and the light source Supply Method of power consumption for displays.
For solving above-mentioned back light system problem, the present invention provides a kind of module drive system backlight, and it is applied to a LCD.This system comprises a graphic process unit, time schedule controller, a module backlight and a backlight driver.
Graphic process unit is in order to provide a 3-dimensional image signal.Time schedule controller connects graphic process unit, in order to producing a liquid crystal drive control signal according to the 3-dimensional image signal, and according to data write time of liquid crystal drive control signal and vertical blank interval time to produce a corresponding dim signal.Backlight driver connects module backlight and time schedule controller, in order to receiving and to analyze dim signal, closing module backlight during the write time in data, and starts module backlight during interval time at vertical blank.
For solving the said method problem; The present invention provides a kind of module unit driving method backlight; Be applied to a LCD; Method comprises: a 3-dimensional image signal that is provided according to a graphic process unit by time schedule controller produces a liquid crystal drive control signal, and according to data write time of liquid crystal drive control signal and vertical blank interval time to produce a corresponding dim signal; Analyze dim signal by a backlight driver, closing a module backlight during the write time in data, and start module backlight during interval time at vertical blank.
Characteristics of the present invention are to be that the present invention is in showing the stereoscopic image signals operation; Module backlight can receive the control of backlight driver, and to carry out the switching of luminance brightness, module backlight can be closed or reduce luminance brightness during data write; And be unlocked or promote luminance brightness in vertical blank interim; Present the actual power loss of stereopsis picture and promote the quality of image to reduce LCD, so the electric power of demand is not so good as known technology with power consumption and is greater, be able to effectively reduce the consumed power of liquid crystal panel; Prolong assembly life-span and reduce the actual energy loss, avoid meaningless power consumption cost.
Description of drawings
Fig. 1 illustrates the stereopsis shutter glasses system drive sequential synoptic diagram of prior art;
Fig. 2 A illustrates first kind of equipment configuration diagram of the module drive system backlight of the embodiment of the invention;
Fig. 2 B illustrates first kind of system architecture synoptic diagram of the module drive system backlight of the embodiment of the invention;
Fig. 3 illustrates the back light system time sequences synoptic diagram of the embodiment of the invention;
Fig. 4 illustrates the liquid crystal reaction sequential synoptic diagram of the embodiment of the invention;
Fig. 5 illustrates second kind of system architecture synoptic diagram of the module drive system backlight of the embodiment of the invention;
Fig. 6 illustrates the module unit driving method schematic flow sheet backlight of the embodiment of the invention;
Fig. 7 illustrates the signal detection schematic flow sheet of the module unit driving method backlight of the embodiment of the invention; And
Fig. 8 illustrates the thin portion schematic flow sheet of the signal detection method of the embodiment of the invention.
Embodiment
Now cooperate and graphic preferred embodiment of the present invention is specified as follows.
At first; Please consult Fig. 2 A simultaneously and illustrate first kind of equipment configuration diagram of the module drive system backlight of the embodiment of the invention; Illustrate first kind of system architecture synoptic diagram of the module drive system backlight of the embodiment of the invention with Fig. 2 B, please consult the back light system time sequences synoptic diagram that Fig. 3 illustrates the embodiment of the invention simultaneously.Like Fig. 2 A; One main frame 1 connects a LCD 2; Main frame 1 is connected to a shutter glasses 3 with wired or wireless mode, and shutter glasses 3 comprises a left eye camera lens 31 and right eye camera lens 32, and main frame 1 usefulness is so that LCD 2 carries out the video picture synchronization job that picture shows with shutter glasses 3.Wherein, the operating techniques of shutter glasses 3 is known by the technician of same area technology, in this shutter glasses 3 only in order to explain orally and the interactive situation of module 24 drive systems backlight.
Like Fig. 2 B, this system applies comprises a graphic process unit 21, time schedule controller 22, one module 24 backlight and a backlight driver 23 in above-mentioned LCD 2.Time schedule controller 22; Also be connected to the liquid crystal panel 25 of LCD 2, carry out pixel cell 253 scan control, carry out image information with 252 pairs of pixel cells of control source electrode module 253 and write control in order to the grid module 251 of controlling liquid crystal panel 25.
Provide 3-dimensional image signal 41 to the time schedule controller 22 of graphic process unit 21 in order to continue.Time schedule controller 22 can produce the liquid crystal drive control signal 42 of control liquid crystal panel 25 actions according to 3-dimensional image signal 41, and it comprises sweep signal and picture data write signal.Time schedule controller 22 can be again according to data write time of liquid crystal drive control signal 42 and vertical blank interval time, to produce a dim signal 43 of correspondence, dim signal 43 comprises control information and the setting of controlling backlight driver 23.
Wherein, Graphic process unit 21 is when transmission 3-dimensional image signal 41; Or before the transmission 3-dimensional image signal 41, can start (Enable) backlight driver 23 (promptly utilizing enable line 211 transmission backlight enabling signal backlight) earlier, make backlight driver 23 be in readiness (Stand By).When backlight driver 23 starts, also can supply with module 24 electric power backlight earlier, make module 24 backlight be in readiness.
Time schedule controller 22 output liquid crystal drive control signals 42 are to liquid crystal panel 25; Illustrate with behavior such as Fig. 3 that data write pixel cell 253 to carry out picture scanning renewal; The picture data that 3-dimensional image signal 41 comprises can be from the 1st sweep trace to the most last bar sweep trace (supplying the 1080th sweep trace in this hypothesis), to be written into one by one in each pixel cell 253.
As aforementioned, time schedule controller 22 can provide dim signal 43 to backlight driver 23, and backlight driver 23 can be closed module 24 backlight at data write time T1 after analyzing dim signal 43.In this explanation, so-calledly close module 24 backlight and be meant adjustment module backlight 24 luminance brightness of sending light, so that light-source brightness is adjusted to minimum, be not the electric power that switches module 24 backlight.On the other hand, after data write time T1, have vertical blank T2 interval time, time schedule controller 22 does not carry out any frame updating and write activity.At this moment, backlight driver 23 can start module 24 backlight in the time of vertical blank T2 interval time.In this explanation, so-called startup module 24 backlight is meant adjustment module backlight 24 luminance brightness of sending light, so that the former brightness that light-source brightness is adjusted to module 24 backlight before closing, a preset luminance brightness or light-source brightness is adjusted to mxm..
Again; Learn from Fig. 2 A and Fig. 3; Main frame 1 usefulness is so that the picture display synchronization of LCD 2 and shutter glasses 3 so shutter glasses 3 can be opened a left eye camera lens 31 at vertical blank during interval time, is opened a right eye camera lens 32 in an inferior vertical blank during interval time; Open a left eye camera lens 31 during interval time in a vertical blank once more; By that analogy, the left eye camera lens 31 of shutter glasses 3 is promptly obtained the left eye picture that LCD 2 shows, right eye camera lens 32 is obtained the right eye picture that LCD 2 shows.And data write time T1 each time, backlight driver 23 all can be closed module 24 backlight, and to reduce the power consumption of module 24 backlight, main frame 1 also can control shutter glasses 3 and cut out right eye camera lens 32 and left eye camera lens 31 at data write time T1.
Fig. 3 and for example, 3-dimensional image signal 41 can comprise the renewal frequency of display frame, renewal frequency needs 120Hz/ picture or above numerical value at least.
See also the liquid crystal reaction sequential synoptic diagram that Fig. 4 illustrates the embodiment of the invention, please consult Fig. 3 and Fig. 2 B simultaneously and be beneficial to understand.
Disposing the pixel cell 253 that many ranks occur simultaneously and arrange on the liquid crystal panel 25, set three test points from top to bottom at this, is individually the first test point TP1, the 2nd test point TP2 and the 3rd test point TP3.Fig. 4 learns, the first test point TP1 meets liquid crystal most and writes the demand with exoelectrical reaction time (the liquid crystal reaction time point among the figure).When vertical blank execution time of (VBI) at interval, it is (being VBI=10%) of the summation time ratio of data write time and this vertical blank interval time at 10% o'clock.The liquid crystal write time point of the 3rd test point is the A point, and so the liquid crystal reaction time can be relatively poor.Yet; When vertical blank T2 interval time is more than 30% when (like VBI=32%) of summation time ratio of data write time T1 and vertical blank T2 interval time, the liquid crystal write time starting point of point can move to the B point, promptly is able to obtain the preferable liquid crystal reaction time; Liquid crystal presents the effect of stereopsis can be better; Reduce ghost (Ghost) effect simultaneously, the brightness that module 24 backlight provides also can promote, to promote the quality of image.
Please consult second kind of system architecture synoptic diagram that Fig. 5 illustrates module backlight 24 drive systems of the embodiment of the invention simultaneously; With Fig. 2 B illustrate different be in; The system of present embodiment also comprises a signal detection device 27, and time schedule controller 22 also comprises a mode switch circuit 231 and a pulsewidth light modulation circuit 232 with backlight driver 23.
Graphic process unit 21 is in order to provide a source signal of video signal 41 ', and it can be a bidimensional image signal or a 3-dimensional image signal 41.When signal detection device 27 is obtained source signal of video signal 41 '; Can analyze the signal data that source signal of video signal 41 ' comprises; Calculate the summation time ratio of required vertical blank interval time of source signal of video signal 41 ' and data write time and vertical blank interval time; Promptly " 100%x vertical blank interval time/(data write time+vertical blank interval time) " also refer to the VBI value.
Storage one decision content in the signal detection device 27; When signal detection device 27 judges that above-mentioned VBI value exceeds this decision content; Produce a signal detecting result of " source signal of video signal 41 ' is a 3-dimensional image signal 41 ", so that the collaborative 3-dimensional image signal 41 of signal detecting result is transferred to time schedule controller 22 in the lump.
Time schedule controller 22 can adjustment liquid crystal drive control signals 42 data write time and vertical blank interval time, to meet the liquid crystal drive pattern of liquid crystal panel 25 demonstration 3-dimensional image signals 41.Then; Time schedule controller 22 can see through the tupe backlight that mode switch circuit 231 is launched the 3-dimensional image signal 41 of backlight driver 23; And utilize a pulsewidth light modulation circuit 232 that above-mentioned dim signal 43 to backlight driver 23 is provided, supply it to cooperate data write time and vertical blank interval time luminance brightness with switching controls module 24 backlight.
When signal detection device 27 judges that above-mentioned VBI value does not exceed this decision content, produce a signal detecting result of " source signal of video signal 41 ' is the bidimensional image signal ", so that the collaborative bidimensional image signal of signal detecting result is transferred to time schedule controller 22 in the lump.
Time schedule controller 22 can adjustment liquid crystal drive control signals 42 data write time and vertical blank interval time, to meet the liquid crystal drive pattern of liquid crystal panel 25 demonstration bidimensional image signals.Then, time schedule controller 22 can see through the tupe backlight that mode switch circuit 231 is launched the bidimensional image signal of backlight driver 23, and control backlight driver 23 continues luminous to make module 24 backlight.
Wherein, signal detection device 27 employed decision contents be VBI=32% (being used for 3-dimensional image) to the particular value between the VBI=10% (being used for bidimensional image), like VBI=20%, but not as limit, close value such as 15%, 25%, 22% also is suitable for.Yet the renewal frequency of bidimensional image signal needs 60Hz/ picture or above numerical value at least, and time schedule controller 22 promptly can be according to this renewal frequency with 25 picture displayed of liquid crystal panel.
In addition, the specification information of LCD 2 can be recorded in the mnemon 26, like the resolution of LCD 2 and show the information such as sweep frequency that bidimensional image or 3-dimensional image should use.Graphic process unit 21 can form bidimensional image signal or 3-dimensional image signal 41 according to above-mentioned specification information when the source image medium of obtaining that main frame 1 provides.In addition, signal detection device 27 employed decision contents also are able to be recorded in the mnemon 26, and decision content can transfer to signal detection device 27 by graphic process unit 21.
In addition; Constantly bright, the dark switching of high speed of module 24 backlight; Suitable of short duration of luminous time of module backlight 24, the left eye camera lens 31 of adding shutter glasses 3 constantly opens and closes with right eye camera lens 32, and this will cause user's eyes can receive covering of discontinuity; Make that user's eyes can be because have little time to receive enough light, cause picture that the user sees luminance brightness can than on the reality secretly.Therefore; When graphic process unit 21 provides 3-dimensional image signal 41; The tupe backlight of the 3-dimensional image of backlight driver 23 operation just signals 41, backlight driver 23 can provide a high power electric power to drive module 24 backlight, the luminance brightness when promoting module 24 backlight by this and starting; Make user's eyes receive at interval and cover the influence that high-luminance light is provided with module 24 backlight, with the picture that is able to see suitable luminance brightness.When graphic process unit 21 provided this bidimensional image signal, backlight driver 23 can move the tupe backlight of bidimensional image signal.Be that module 24 backlight need not carry out the luminance brightness switching,, get final product with driven module 24 backlight so backlight driver 23 only need provide a preset power for operation.
See also the module unit driving method schematic flow sheet backlight that Fig. 6 illustrates the embodiment of the invention, please consult Fig. 2 A, Fig. 2 B and Fig. 3 simultaneously and be beneficial to understand.Module 24 driving methods backlight comprise following flow process:
A 3-dimensional image signal that is provided according to a graphic process unit by time schedule controller produces a liquid crystal drive control signal, and according to data write time of liquid crystal drive control signal and vertical blank interval time to produce a corresponding dim signal (step S110).
Analyze dim signal by a backlight driver, closing a module backlight during the write time in data, and start module backlight (step S120) during interval time at vertical blank.
Continuous see also the signal detection schematic flow sheet and the thin portion schematic flow sheet of the signal detection method that Fig. 8 illustrates the embodiment of the invention that Fig. 7 illustrates the module unit driving method backlight of the embodiment of the invention, please consult Fig. 5 simultaneously and be beneficial to understanding.The method flow process is following:
Obtain the source signal of video signal (step S210) that this graphic process unit provides by a signal detection device.
Judge that by the signal detection device source signal of video signal is a bidimensional image signal or 3-dimensional image signal (step S220).Thin portion flow process such as Fig. 8 of this step illustrate, and earlier judge by signal detection device 27 the corresponding vertical blank of source signal of video signal 41 ' is whether the summation time ratio of data write time and vertical blank interval time is higher than a decision content (step S221) interval time.
When the corresponding vertical blank of source signal of video signal 41 ' be interval time data write time with vertical blank interval time the summation time, ratio was higher than decision content the time, assert that the signal of video signal of originating is a 3-dimensional image signal (step S222).
When signal detection device 27 judges that above-mentioned VBI value exceeds this decision content; Can produce a signal detecting result of " source signal of video signal 41 ' is a 3-dimensional image signal 41 ", so that the collaborative 3-dimensional image signal 41 of signal detecting result is transferred to time schedule controller 22 in the lump.Afterwards, administration step S110.
When the corresponding vertical blank of source signal of video signal 41 ' be interval time data write time with vertical blank interval time the summation time, ratio was lower than decision content the time, assert that the signal of video signal of originating is a bidimensional image signal (step S223).
When source signal of video signal 41 ' was the bidimensional image signal, signal detection device 27 can provide a signal detecting result and bidimensional image signal to time schedule controller (step S224).
By data write time of time schedule controller adjustment liquid crystal drive control signal and vertical blank interval time, to meet the liquid crystal drive pattern (step S225) of liquid crystal panel demonstration bidimensional image signal.
In sum, be only notebook invention for presenting the embodiment or the embodiment of the technological means that adopted of dealing with problems, be not the scope that is used for limiting patent working of the present invention.Be that patent claim context all and of the present invention conforms to, or change and modification, be all claim of the present invention and contain according to the equalization that claim of the present invention is done.

Claims (6)

1. a module drive system backlight is applied to a LCD, it is characterized in that this system comprises:
One graphic process unit is in order to provide a 3-dimensional image signal;
Time schedule controller, be according to this 3-dimensional image signal producing a liquid crystal drive control signal, and according to data write time of this liquid crystal drive control signal and vertical blank interval time to produce a corresponding dim signal;
One module backlight;
One backlight driver is to receive this dim signal, and analyzes this dim signal closing this module backlight during the write time in these data, and starts this module backlight during interval time at this vertical blank; And
One signal detection device connects this graphic process unit; This graphic process unit also comprises provides a bidimensional image signal; When this signal detection device judgement obtains this bidimensional image signal; Provide a signal detecting result and this bidimensional image signal to this time schedule controller; This time schedule controller is according to this data write time of this liquid crystal drive control signal of this signal detecting result adjustment and this vertical blank interval time, and meeting the liquid crystal drive pattern that a liquid crystal panel shows this bidimensional image signal, and it is lasting luminous with this module backlight of order to control this backlight driver;
Wherein, Storage one decision content in this signal detection device; When this signal detection device is obtained a source signal of video signal; And judge this source signal of video signal corresponding this vertical blank interval time for this data write time and this vertical blank interval time the summation time, ratio was higher than this decision content the time; Assert the source signal of video signal be this 3-dimensional image signal, when this source signal of video signal corresponding this vertical blank interval time for this data write time and this vertical blank interval time the summation time, ratio was lower than this decision content the time, it be this bidimensional image signal that the signal of video signal of originating is somebody's turn to do in identification; When this graphic process unit provides this 3-dimensional image signal; This backlight driver provides a high power electric power to drive this module backlight; And this graphic process unit is when providing this bidimensional image signal, and this backlight driver provides a preset power for operation to drive this module backlight.
2. module drive system backlight as claimed in claim 1 is characterized in that, this backlight driver starts should be backlight during module, is that light-source brightness with module backlight is adjusted to and closes a preceding former brightness and maybe be adjusted to this light-source brightness the highest.
3. module drive system backlight as claimed in claim 1; It is characterized in that; Also comprise a shutter glasses; When this graphic process unit provided this 3-dimensional image signal, this shutter glasses was opened a left eye camera lens in this vertical blank during interval time, opened a right eye camera lens during interval time in an inferior vertical blank.
4. module drive system backlight as claimed in claim 1; It is characterized in that; When this graphic process unit provided this 3-dimensional image signal, this vertical blank was more than 30% of summation time ratio of this data write time and this vertical blank interval time interval time.
5. module drive system backlight as claimed in claim 1 is characterized in that, also comprises a mnemon, in order to the record specification information, forms this bidimensional image signal and this 3-dimensional image signal for this graphic process unit according to this specification information.
6. a module unit driving method backlight is applied to a LCD, it is characterized in that, this method comprises:
A 3-dimensional image signal that is provided according to a graphic process unit by time schedule controller produces a liquid crystal drive control signal, and according to data write time of this liquid crystal drive control signal and vertical blank interval time to produce a corresponding dim signal;
Closing a module backlight during the write time in these data, and start this module backlight during interval time by this dim signal of backlight driver analysis at this vertical blank; And
Obtain the source signal of video signal that this graphic process unit provides by a signal detection device; Judge that by this signal detection device this source signal of video signal is a bidimensional image signal or this 3-dimensional image signal; When this source signal of video signal is this bidimensional image signal, provide a signal detecting result and this bidimensional image signal to this time schedule controller; By this data write time of this liquid crystal drive control signal of this time schedule controller adjustment and this vertical blank interval time, to meet the liquid crystal drive pattern of this bidimensional image signal of liquid crystal panel demonstration; And continue luminous with this module backlight of order by this this backlight driver of time schedule controller control;
Wherein, judge that by this signal detection device this source signal of video signal is that this step of a bidimensional image signal or this 3-dimensional image signal also comprises: judge by this signal detection device this vertical blank of this source signal of video signal correspondence is whether the summation time ratio of this data write time and this vertical blank interval time is higher than a decision content interval time; When this source signal of video signal corresponding this vertical blank interval time for this data write time and this vertical blank interval time the summation time, ratio was higher than this decision content the time, assert that the signal of video signal of should originating be this 3-dimensional image signal; And when this source signal of video signal corresponding this vertical blank interval time for this data write time and this vertical blank interval time the summation time, ratio was lower than this decision content the time, assert that the signal of video signal of should originating be this bidimensional image signal.
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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102810297B (en) * 2011-05-31 2014-10-08 宏碁股份有限公司 Liquid crystal display device and backlight adjusting method thereof
CN102223564A (en) * 2011-07-13 2011-10-19 黑龙江省四维影像数码科技有限公司 2D/3D switchable and field-depth adjustable display module
CN102663981A (en) * 2012-04-19 2012-09-12 深圳市华星光电技术有限公司 Three-dimensional display device and display control method thereof
CN103106874B (en) * 2013-01-14 2014-12-31 福建华映显示科技有限公司 Display device and image processing method thereof
CN107357046B (en) * 2017-05-26 2019-12-24 张家港康得新光电材料有限公司 Detection method and detection system for switching time of 2D mode and 3D mode
CN113327557B (en) * 2020-02-28 2022-05-27 纬联电子科技(中山)有限公司 Liquid crystal display and display correction method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101616334A (en) * 2008-08-21 2009-12-30 青岛海信电器股份有限公司 The display packing of vision signal and device
CN101738733A (en) * 2009-12-23 2010-06-16 华映光电股份有限公司 Switchable type stereo display device and control method thereof
CN101888565A (en) * 2010-06-30 2010-11-17 华映光电股份有限公司 Stereo picture display method and stereo display device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI404034B (en) * 2009-01-23 2013-08-01 Mstar Semiconductor Inc Apparatus for generating over-drive values applied in a lcd display and method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101616334A (en) * 2008-08-21 2009-12-30 青岛海信电器股份有限公司 The display packing of vision signal and device
CN101738733A (en) * 2009-12-23 2010-06-16 华映光电股份有限公司 Switchable type stereo display device and control method thereof
CN101888565A (en) * 2010-06-30 2010-11-17 华映光电股份有限公司 Stereo picture display method and stereo display device

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