CN101751869A - Driving control method of color-sequence liquid crystal colorful display - Google Patents

Driving control method of color-sequence liquid crystal colorful display Download PDF

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Publication number
CN101751869A
CN101751869A CN200810178473A CN200810178473A CN101751869A CN 101751869 A CN101751869 A CN 101751869A CN 200810178473 A CN200810178473 A CN 200810178473A CN 200810178473 A CN200810178473 A CN 200810178473A CN 101751869 A CN101751869 A CN 101751869A
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China
Prior art keywords
liquid crystal
color
attitude
control signal
backlight
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Pending
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CN200810178473A
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Chinese (zh)
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陈嘉辉
黄秋源
简春在
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JIUZHENG PHOTOELECTRIC CO Ltd
Powertip Tech Corp
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JIUZHENG PHOTOELECTRIC CO Ltd
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Priority to CN200810178473A priority Critical patent/CN101751869A/en
Publication of CN101751869A publication Critical patent/CN101751869A/en
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Abstract

The present invention relates to a driving control method of a color-sequence liquid crystal colorful display. The converting delay of a liquid crystal optical gate channel caused by liquid crystal optical response delay can be shortened, and further, the optical flux is improved to enable coloring saturation degree better; then, the liquid crystal optical gate channel can be more matched with the control of poor light to enable poor light with different colors to have non-luminous time in conversion, and the non-luminous time is overlapped with the converting delay of a liquid crystal optical gate channel caused by liquid crystal optical response delay to avoid the poor light with different colors mixing in the time of delay conversion, so displaying color difference caused by color mixing can be avoided, and correct original design derivative colors can be generated.

Description

The drive controlling method of color-sequence liquid crystal colorful display
Technical field
A kind of display packing of color-sequence liquid crystal colorful display refers to a kind of raising luminous flux especially, makes the drive controlling method of the color-sequence liquid crystal colorful display of color saturation increase.
Background technology
Color-sequence liquid crystal colorful display mainly is the multicolor backlight source of switching by in proper order, make it pass liquid crystal photic gate door channel, closing and opening by control liquid crystal photic gate door channel, produce former pure color figure field in proper order, colour mixture produces colorful demonstration by the persistence of vision of human eye for it, with reference to shown in Figure 1, control signal sequential 1 is used to drive channel off of liquid crystal photic gate door and unlatching, yet liquid crystal photic gate door channel is subject to the response time of liquid crystal molecule, the breakthrough curve 2 of its liquid crystal photic gate door channel can't real time reaction, opens time delay 3 and two kinds of optic response time delays such as closed time delay 4 grades and have.In addition, a coloured light control signal 5B who switches in the ON/OFF position when the ON position, can order about the multicolor backlight source and send backlight 5 and come by liquid crystal photic gate door channel.
Again in the lump with reference to shown in Figure 2, liquid crystal photic gate door channel cooperate the multicolor backlight source of switching in proper order backlight 5 (icon is ruddiness 6 (R), green glow 7 (G), blue light 8 (B) switches in proper order) use, when being used to show ruddiness 6, green glow 7, (graphic mark: r during the pure color color of blue light 8, g, b), the breakthrough curve 2 of liquid crystal photic gate door channel can be contained the light of postorder look because of closed time delay 4, that is the green glow 7 of part also can penetrate when showing ruddiness 6, the blue light 8 of part can penetrate when showing green glow 7, when showing blue light 8, the ruddiness 6 of part can penetrate, thereby causes the deviation of display color.In addition, when it is used to show two kinds of light mixed (graphic mark: c, m, y), can the light of postorder look be penetrated because of closed time delay 4 equally, so cause its display color that produces to have the color offset phenomenon of induced color.
Refer again to shown in Figure 3, known ground, for addressing the above problem, the existing control signal sequential 1A that regulates liquid color display, change the mode of the breakthrough curve 2A of liquid crystal photic gate door channel, make in the unlatching time delay 3A of breakthrough curve 2A and the 5A backlight that closed time delay 4A drops on same color fully, it has solved the color offset phenomenon that display color has induced color, yet it can reduce the luminous flux of ruddiness 6A, green glow 7A, blue light 8A, cause the intensity and the saturation degree of color not good, be difficult to satisfy the requirement on showing.
Summary of the invention
Therefore, fundamental purpose of the present invention is to provide a kind of Compensation Regulation method, and it can increase luminous flux, makes the degree of saturation of display color preferable.
Secondary objective of the present invention is, still can keep the demonstration of former pure color and the problem of no color differnece after increasing luminous flux, and improves the colour cast problem of induced color.
Via as can be known above, for achieving the above object, the present invention is a kind of drive controlling method of color-sequence liquid crystal colorful display, and the step of this method comprises:
One multicolor backlight source is provided, this multicolor backlight source provide one have at least two kinds of colors and switch in proper order backlight.
One liquid crystal photic gate door channel is provided, and this liquid crystal photic gate door channel is for this incident backlight and have a smooth shielding status and a light passes through state.
One control signal sequential is provided, produce this control signal sequential by a controller, this control signal sequential is divided into normality, half accurate attitude and is activated attitude, wherein this control signal sequential is half accurate attitude usually, and be driven and be converted to normality and activate attitude and pass through any of state for this light shielding status and this light to drive this liquid crystal photic gate door channel, make this liquid crystal photic gate door channel produce a breakthrough curve, and this breakthrough curve is in normality, half accurate attitude and cause and have a conversion time delay in the dynamic transfer process.
This control signal sequential of may command in addition, when this control signal sequential is changed between normality, half accurate attitude and actuating attitude, respectively provide one of a bit of time to cross position calibration signal and half accurate attitude signal, cross the driving of a calibration signal by this, further shorten this conversion time delay, this liquid crystal photic gate door channel is changed fast.
And this backlight can be controlled and a fluorescent lifetime is not arranged when switching color, and control this control signal sequential and make this conversion time delay and this fluorescent lifetime is not overlapping, can avoid that the different colours in this multicolor backlight source is backlight to cause colour mixture in this conversion time delay ejaculation.
In view of the above, the invention has the advantages that the time that can reduce the conversion time delay, and the luminous flux of increase different colours, to increase color saturation, can avoid the backlight of ejaculation different colours in time of this conversion time delay simultaneously, thereby when pure color shows, can avoid colour mixture and cause the demonstration aberration, and when colour mixture shows, can produce the correct former design color of deriving, to satisfy user's demand.
Description of drawings
Fig. 1 is the non-ideal characteristic synoptic diagram of known liquid crystal optical response.
Fig. 2 is known color-sequence liquid crystal colorful display sequential synoptic diagram.
Fig. 3 is another known color-sequence liquid crystal colorful display sequential synoptic diagram.
Fig. 4 is a color sequence compensation regulating device synoptic diagram of the present invention.
Fig. 5 is a color-sequence liquid crystal colorful display sequential synoptic diagram of the present invention.
Fig. 6 is a control signal sequential synoptic diagram of the present invention.
Embodiment
Relevant detailed content of the present invention, existing accompanying drawings is as follows:
With reference to shown in Figure 4, it is the device that the inventive method used, it comprises a multicolor backlight source 10, a liquid crystal photic gate door channel 20 and a controller 30, wherein multicolor backlight source 10 next-door neighbour's liquid crystal photic gate door channels 20 are provided with, and controller 30 is electrically connected with liquid crystal photic gate door channel 20, multicolor backlight source 10.
Again in the lump with reference to shown in Figure 5, multicolor backlight source 10 provide one have at least two kinds of colors and switch in proper order backlight 11, and backlight 11 can have a fluorescent lifetime 12 not when switching color, backlight 11 can have ruddiness 111, the green glow 112 and blue light 113 that switches in proper order, and can there be not fluorescent lifetime 12 in multicolor backlight source 10 in the starting stage that produces backlight 11 in addition.
And liquid crystal photic gate door channel 20 supplies 11 incidents backlight and have a smooth shielding status and a light passes through state, 30 of controllers produce a control signal sequential 31, control signal sequential 31 can be AC signal, and once switch ruddiness 111 the positive and negative phase switching time and backlight 11 of control signal sequential 31 in proper order, green glow 112 is identical with the T.T. of blue light 113, control signal sequential 31 is divided into normality 31N in addition, half accurate attitude 31H and actuating attitude 31D, wherein control signal sequential 31 is half accurate attitude 31H usually, and be driven that to be converted to normality 31N be that light shielding status and light pass through any of state with activating attitude 31D to drive liquid crystal photic gate door channel 20, make liquid crystal photic gate door channel 20 produce a breakthrough curve 21, and breakthrough curve 21 is at normality 31N, has a conversion time delay 211 in the transfer process of half accurate attitude 31H and actuating attitude 31D.
Again in the lump with reference to shown in Figure 6, the present invention controls this control signal sequential 31 in addition, make control signal sequential 31 at normality 31N, when changing between half accurate attitude 31H and the actuating attitude 31D, respectively provide one of a bit of time to cross position calibration signal 310B, crossing position calibration signal 310B in addition is the parameter of material, the time of its control panel of LCD optic response, can provide half accurate attitude signal 310A to connect position calibration signal 310B again, with the driving of crossing position calibration signal 310B and half accurate attitude signal 310A by this short time, further shorten conversion time delay 211, as shown in Figure 6, control signal sequential 31 is converted to normality 31N by half accurate attitude 31H, is converted to half accurate attitude 31H again.Control signal sequential 31 is converted to by half accurate attitude 31H and activates attitude 31D, is converted to half accurate attitude 31H again.Therefore breakthrough curve 21 is in the transfer process of normality 31N, half accurate attitude 31H and actuating attitude 31D, the conversion time delay 211 of breakthrough curve 21 can effectively shorten, the present invention also controls the control signal sequential 31 that controller 30 is produced in addition, makes conversion time delay 211 overlapping with backlight 11 not fluorescent lifetime 12.In view of the above, when the present invention is used to produce pure color demonstration (graphic mark: r, g, b) with colour mixture demonstration (graphic mark: c, m, y), as shown in Figure 5, conversion time delay 211 is corresponding backlight 11 not fluorescent lifetime 12 just, therefore change in the time delay 211 and can not penetrate light, also can avoid sneaking into the light of other color.
As mentioned above, the present invention is half accurate attitude 31H by making control signal sequential 31 usually, and the position calibration signal 310B that crosses by a bit of time shortens conversion time delay 211 with half accurate attitude signal 310A, therefore its conversion time delay 211 can shorten greatly, thereby can add lustre to flux, it forms not fluorescent lifetime 12 by regulating backlight 11 in addition, thereby when pure color shows, can avoid sneaking into backlight 11 of other color, and do not have a problem that shows aberration, and when colour mixture shows, can produce the correct former design color of deriving, to satisfy user's demand.

Claims (6)

1. the drive controlling method of a color-sequence liquid crystal colorful display is characterized in that, comprises following steps:
One multicolor backlight source (10) is provided, and described multicolor backlight source (10) provides (11) backlight that have two kinds of colors at least and switch in proper order;
One liquid crystal photic gate door channel (20) is provided, and described liquid crystal photic gate door channel (20) is for described (11) incident backlight and have a smooth shielding status and a light passes through state;
One control signal sequential (31) is provided, described control signal sequential (31) is divided into normality (31N), half accurate attitude (31H) and actuating attitude (31D), wherein said control signal sequential (31) is half accurate attitude (31H) usually, and be driven and be converted to normality (31N) and activate attitude (31D) and pass through any of state for described smooth shielding status and described light to drive described liquid crystal photic gate door channel (20), make described liquid crystal photic gate door channel (20) produce a breakthrough curve (21), and described breakthrough curve (21) is at normality (31N), has a conversion time delay (211) in the transfer process of half accurate attitude (31H) and actuating attitude (31D).
2. the drive controlling method of color-sequence liquid crystal colorful display according to claim 1, it is characterized in that, when described control signal sequential (31) is changed between normality (31N), half accurate attitude (31H) and actuating attitude (31D), provide one of a bit of time to cross a position calibration signal (310B) and order about described liquid crystal photic gate door channel (20) conversion fast.
3. the drive controlling method of color-sequence liquid crystal colorful display according to claim 2, it is characterized in that, when described control signal sequential (31) is changed between normality (31N), half accurate attitude (31H) and actuating attitude (31D), also provide half accurate attitude signal (310A) of a bit of time to connect the described position calibration signal (310B) of crossing, to order about described liquid crystal photic gate door channel (20) conversion fast.
4. the drive controlling method of color-sequence liquid crystal colorful display according to claim 1, it is characterized in that, described (11) backlight have a fluorescent lifetime (12) not when switching color, and control described control signal sequential (31) and make described conversion time delay (211) and described not fluorescent lifetime (12) overlapping.
5. the drive controlling method of color-sequence liquid crystal colorful display according to claim 1, it is characterized in that, described (11) backlight have ruddiness (111), the green glow (112) and blue light (113) that switches in proper order, described control signal sequential (31) is an AC signal, and the positive and negative phase of described control signal sequential (31) is identical with the T.T. that described (11) backlight once switch ruddiness (111), green glow (112) and blue light (113) in proper order switching time.
6. the drive controlling method of color-sequence liquid crystal colorful display according to claim 1 is characterized in that, there is described not fluorescent lifetime (12) in described multicolor backlight source (10) in the starting stage that produces described (11) backlight.
CN200810178473A 2008-12-01 2008-12-01 Driving control method of color-sequence liquid crystal colorful display Pending CN101751869A (en)

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Application Number Priority Date Filing Date Title
CN200810178473A CN101751869A (en) 2008-12-01 2008-12-01 Driving control method of color-sequence liquid crystal colorful display

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Application Number Priority Date Filing Date Title
CN200810178473A CN101751869A (en) 2008-12-01 2008-12-01 Driving control method of color-sequence liquid crystal colorful display

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104134431A (en) * 2014-07-14 2014-11-05 京东方科技集团股份有限公司 Field sequential display device and driving method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104134431A (en) * 2014-07-14 2014-11-05 京东方科技集团股份有限公司 Field sequential display device and driving method thereof
CN104134431B (en) * 2014-07-14 2016-07-27 京东方科技集团股份有限公司 Field sequential display device and driving method thereof

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Open date: 20100623