CN101888565B - Stereo picture display method and stereo display device - Google Patents

Stereo picture display method and stereo display device Download PDF

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Publication number
CN101888565B
CN101888565B CN2010102138732A CN201010213873A CN101888565B CN 101888565 B CN101888565 B CN 101888565B CN 2010102138732 A CN2010102138732 A CN 2010102138732A CN 201010213873 A CN201010213873 A CN 201010213873A CN 101888565 B CN101888565 B CN 101888565B
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China
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time
left eye
right eye
eye shutter
vertical blanking
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CN2010102138732A
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Chinese (zh)
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CN101888565A (en
Inventor
林享昙
陈光郎
邱俊杰
林士杰
沈自强
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华映光电股份有限公司
中华映管股份有限公司
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Abstract

The invention relates to a stereo picture display method which comprises the following steps: displaying left eye display information at left eye display time; providing a first vertical blanking interval period and opening a left eye shutter of shutter glasses; displaying right eye display information at right eye display time; providing a second vertical blanking interval period and opening a right eye shutter of the shutter glasses; and when the left eye shutter or the right eye shutter is opened, or in the first vertical blanking interval period or the second vertical blanking interval period, improving backlight brightness, and when the left eye shutter and the right eye shutter are closed simultaneously, or at the left eye display time or the right eye display time, lowering the backlight brightness. The invention can improve the defect of stereo ghost while displaying a stereo image, achieve the purpose of lowering power consumption of a backlight module, and make the effects of saving energy and electricity.

Description

Stereoscopic picture plane display method and 3 d display device

Technical field

The present invention provides a kind of stereoscopic picture plane display method and 3 d display device, the stereoscopic picture plane display method and the 3 d display device of particularly a kind of cooperation shutter glasses (shutter glasses).

Background technology

Stereo display technique provides two different image informations about the beholder, make observer's brain about synthetic two institute's seeing images as the time, to the different stereovision of looking deposits yields and the consciousness of the degree of depth, and then produce third dimension.

For instance; Convention shutter glasses type (shutter glasses type) 3 d display device promptly is to utilize the right and left eyes shutter of shutter glasses to switch, and cooperates display floater with sequential (time sequential) display mode the image of the different kens to be provided in regular turn: display floater be with scan mode in regular turn Alternation Display supply left eye image information that left eye watches, with the right eye image information that supplies eye viewing.And after scanning left eye image information with scanning right eye image information before, be existence one of short duration vertical blanking interval (vertical blanking interval, VBI); In like manner after scanning right eye image information with scan the left eye image information before, also have an of short duration VBI.In addition, the shutter glasses that the beholder wore then switches the left eye shutter to the enable possition and switch the right eye shutter to off-position according to display floater institute picture displayed information; Or switch the left eye shutter to off-position and switch the right eye shutter to the enable possition, can arrive the beholder smoothly in order to do the image information that makes the target eye; But not the image information of target eye is then covered by complete.By sequential property provide right and left eyes different image informations, can make the observer when image shown in synthetic two, produce third dimension.

Because the main flow flat display apparatus is LCD (liquid crystal display at present; LCD); And LCD is when having scanned the left eye image information and having begun to scan the right eye image information; The left eye image information that the slow reaction of picture element can cause not being updated as yet retains among the VBI, even when beginning to scan the right eye image information, still residues in the right-eye image.Otherwise when having scanned the right eye image information and having begun to scan the left eye image information, the right eye image information that is not updated can residue in VBI and the left-eye images.The part that persists of above-mentioned two pictures promptly causes the problem of so-called three-dimensional ghost, and causes beholder's consciousness to obscure.

In addition, because LCD is a non-active display, so that the backlight module of must arranging in pairs or groups provides is required backlight.And backlight module is during above-mentioned VBI, promptly do not provide any a glance image information during still keep normal bright state, so the convention 3 d display device has more the higher shortcoming of power consumption.

Summary of the invention

Therefore, the purpose of this invention is to provide and a kind ofly improve three-dimensional ghost, and reduce the 3 d display device of power consumption simultaneously.

According to claim provided by the present invention; Provide a kind of stereoscopic picture plane display method; The method includes the steps of: one first demonstration time and one second demonstration time alternately are provided, and in this first demonstration time and this second demonstration time, show one first display message and one second display message in the difference; Between this first demonstration time and this second demonstration time, provide vertical blanking interval (vertical blanking interval, VBI); And improve a backlight illumination in this vertical blanking interval to being less than, and in this first demonstration time of part at least with all reduce this backlight illumination in this second demonstration time of part at least.

According to claim provided by the present invention, other provides a kind of stereoscopic picture plane display method, and this method includes following steps: provide a left eye to show the time, in this left eye demonstration time, show a left eye display message; Be provided one first vertical blanking interval, and open a left eye shutter of a shutter glasses; Provide a right eye to show the time, show time showing one right eye display message in this right eye; Be provided one second vertical blanking interval, and open a right eye shutter of this shutter glasses; And when opening this left eye shutter or this right eye shutter, all improve a backlight illumination, and, this left eye shutter and this right eye shutter reduce this backlight illumination when closing simultaneously.

According to claim provided by the present invention; A kind of stereoscopic picture plane display method more is provided; This method includes following steps: one first demonstration time and one second demonstration time alternately are provided, and in this first demonstration time and this second demonstration time, show one first display message and one second display message respectively; Be provided for one vertical blanking interval between this first demonstration time and this second demonstration time; Improve a backlight illumination in this vertical blanking interval to being less than, and in this first demonstration time of part at least with all reduce this backlight illumination in this second demonstration time of part at least; And left eye shutter opening time and a right eye shutter opening time that a shutter glasses alternately is provided; With a left eye shutter and a right eye shutter of opening this shutter glasses respectively, and this left eye shutter opening time and this right eye shutter opening time be not less than the time of this raising backlight illumination respectively.

According to 3 d display device provided by the present invention and stereoscopic picture plane display method; Be when VBI or unlatching left-eye/right-eye shutter, to improve brightness of backlight module, when scanning left-eye/right-eye information or close unlatching left-eye/right-eye shutter, then reduce brightness of backlight module.In other words; The sequential display mode that cooperates 3 d display device can be controlled the switch and the backlight module brightness height of shutter glasses simultaneously, so not only can improve the shortcoming of three-dimensional ghost when showing stereopsis; More can reach the purpose that reduces backlight module power consumption, and attain the effect of energy saving.

Description of drawings

Fig. 1 is the sketch map of one first preferred embodiment of 3 d display device provided by the present invention;

Fig. 2 is the flow chart of the stereoscopic picture plane display method that provided for this first preferred embodiment;

Fig. 3 then is a sequential sketch map of this first preferred embodiment;

Fig. 4 and Fig. 5 are the sequential sketch mapes that is respectively a change type of this first preferred embodiment;

Fig. 6 is the sketch map of one second preferred embodiment of 3 d display device provided by the present invention;

Fig. 7 is the flow chart of the stereoscopic picture plane display method that provided for this second preferred embodiment;

Fig. 8 then is a sequential sketch map of this second preferred embodiment; And

Fig. 9 is the sequential sketch map of a change type of this second preferred embodiment.

[primary clustering symbol description]

100,200 3 d display devices, 102,202 display floaters

104,204 backlight modules, 106,206 backlight module drivers

108,208 backlight control unit, 110,210 panel data output units

120,220 shutter glasses, 122,222 left eye shutters

124,224 right eye shutters, 230 shutter glasses control units

240 3D system control units

Info 1 first display message Info 2 second display message

Info L left eye display message Info R right eye display message

T1 first shows the 2 second demonstration times of time T

The TL left eye shows that time T R right eye shows the time

TR right eye shutter opening time tL left eye shutter opening time

VBI vertical blanking interval

1 first vertical blanking interval of VBI

2 second vertical blanking intervals of VBI

10,20 stereoscopic picture plane display methods

12,14a ~ 14b, 16a ~ 16 steps

22,24a ~ 24d, 26a ~ 26b, 28 steps.

Embodiment

In the middle of specification and follow-up claim, used some vocabulary to censure specific assembly.Having common knowledge the knowledgeable in the affiliated field should understand, and same assembly may be called with different nouns by manufacturer.This specification and follow-up claim are not used as distinguishing the mode of assembly with the difference of title, but the benchmark that is used as distinguishing with the difference of assembly on function.Be to be an open term mentioned " comprising " in the middle of specification and the follow-up request terms in the whole text, so should be construed to " comprise but be not limited to ".In addition, " electric connection " speech is to comprise any indirect means that are electrically connected that directly reach at this.Therefore, be electrically connected at one second device, then represent this first device can be directly connected in this second device, or be connected to this second device through other device or the intersegmental ground connection of connection hand if describe one first device in the literary composition.

See also Fig. 1, Fig. 1 is the sketch map of one first preferred embodiment of 3 d display device provided by the present invention.As shown in Figure 1,3 d display device 100 comprise a display panels 102, a backlight module 104, a backlight module driver 106, a backlight control unit 108, with a panel data output unit 110.Display panels 102 alternately provides one first display message Info 1 and one second display message Info 2 in regular turn with scan mode; And vertical blanking interval (vertical blanking interval, a VBI) VBI be provided between the first display message Info 1 and the second display message Info 2.Backlight control unit 108 is to electrically connect backlight module driver 106, electrically connects backlight module 104 then, in order to a backlight illumination of control backlight module 104.Panel data output unit 110 electrically connects display panels 102 and backlight control unit 108; When the image of institute's desire demonstration was a 3D image, panel data output unit 110 promptly provided the first display message Info 1 and the second display message Info 2 to give display panels 102.Even more noteworthy, panel data output unit 110 sends the first display message Info 1 and the second display message Info 2 to backlight control unit 108 simultaneously, makes backlight control unit 108 use the control backlight illumination.For instance, when display panels 102 provided VBI, backlight control unit 108 was to improve the backlight illumination of backlight module 104; And when display panels 102 scanning provides the first display message Info 1 and the second display message Info 2, all reduce backlight illumination.

Below see also Fig. 2 and Fig. 3, Fig. 2 is the flow chart of the stereoscopic picture plane display method that provided for this first preferred embodiment; Fig. 3 then is a sequential sketch map of this first preferred embodiment.As shown in Figure 2, the stereoscopic picture plane display method 10 that this first preferred embodiment is provided at first carries out:

Step 12: display panels 102 and backlight module 104 are provided.

At first it should be noted that; Though only address display panels 102 and backlight module 104 in the step 12, yet this 3 d display device 100 that first preferred embodiment provided still comprises assemblies such as above-mentioned backlight module driver 106, backlight control unit 108 and panel data output unit 110.The 3D image and the luminance difference that are only appeared because of stereoscopic picture plane display method 10 are to learn with backlight module 104 by viewing and admiring display panels 102, therefore in step 12, only describe display panels 102 and backlight module 104.But the personage Ying Ke that has the knack of this skill according to the structure of assemblies such as above-mentioned explanation and graphic understanding display panels 102, backlight module 104, backlight module driver 106, backlight control unit 108 and panel data output unit 110 with control relation, so repeat no more in this.Next carry out simultaneously:

Step 14a: provide one first to show time T 1, show in the time T 1 in first to show the first display message Info 1 in display panels 102; And provide one second to show time T 2, show in the time T 2 in second to show the second display message Info 2 in display floater 102;

Step 14b: between the first demonstration time T 1 and the second demonstration time T 2, a VBI is provided;

Show that for more clearly demonstrating first time T 1, second shows the sequential relationship of time T 2 and VBI, please consults Fig. 3 simultaneously.As shown in Figure 3, when the image of institute's desire demonstration was a 3D image, panel data output unit 110 promptly provided the first display message Info 1 and the second display message Info 2 to give display panels 102.Display panels 102 then alternately provides first to show the time T 1 and the second demonstration time T 2 in regular turn, to scan respectively and to show the first display message Info 1 and the second display message Info 2.In addition; The personage Ying Zhi that has the knack of this skill is because the characteristic of LCD; Display panels 102 has scanned the first display message Info 1 in the first demonstration time T 1 after, the first display message Info 1 can intactly retain in first and show the VBI that time T 1 and second shows between the time T 2.And when second showed time T 2 beginnings, display panels 102 promptly began to scan the second display message Info 2, and covers the first display message Info 1.Yet; T2 still has the first remaining display message Info 1 in the second demonstration time of this moment; Show that up to second time T 2 finishes; Accomplish the scanning of the second display message Info 2 this moment, shows the VBI that time T 2 and first shows between the time T 1 so the second display message Info 2 can intactly retain in second.Subsequently, repeat to get into first again and show time T 1, and carry out the scanning of the first display message Info 1.Above-mentioned steps is can repeat to close 3 d display device 100 or finish stereoscopic picture plane display method 10 until the audience.It should be noted that and when carrying out step 14a, 14b, be and carry out:

Step 16a: show that in first time T 1 and second shows reduction backlight illumination in the time T 2;

Step 16b: in VBI, improve backlight illumination.

Please still consult Fig. 3 simultaneously.The stereo display method 10 that first preferred embodiment is provided according to basis; Panel data output unit 110 is the above-mentioned first display message Info 1 and the second display message Info 2 to be provided to give backlight control unit 108 simultaneously, so backlight control unit 108 is the brightness that during VBI, improves backlight module 104; More show that second time T 2 and first shows that time T 1 all reduces the brightness of backlight module 104 in addition.Being noted that in addition, in Fig. 3, is to improve backlight illumination even complete opening backlight module 104 to open (ON) expression; And to close (OFF) expression reduction backlight illumination even to close backlight module 104 fully.

Please continue to consult Fig. 3.This first preferred embodiment more provides a shutter glasses 120, and shutter glasses comprises a left eye shutter 122 and a right eye shutter 124.This first preferred embodiment provides a left eye shutter opening time tL and a right eye shutter opening time tR in addition in addition.It in left eye shutter opening time tL the left eye shutter 122 of opening shutter glasses 120; In right eye shutter opening time tR, then open right eye shutter 124.As previously mentioned, because the complete first display message Info 1 and the second display message Info 2 all retains among the VBI, therefore this first preferred embodiment is as shown in Figure 3, with left eye shutter opening time tL and the corresponding VBI of right eye shutter opening time tR difference.Say that at length left eye shutter opening time tL is corresponding and contains first demonstration time T 1 VBI afterwards at least fully; Right eye shutter opening time tR is then corresponding and contain second VBI that show after the time T 2 at least fully.Be to watch the complete and left eye picture that has no to disturb when in view of the above, left eye shutter 122 is opened; Be to watch the complete and right eye picture that has no to disturb when in like manner right eye shutter 124 is opened.

The more important thing is that the backlight illumination of backlight module 104 is in VBI, to improve in this first preferred embodiment, no matter therefore in left eye shutter opening time tL or right eye shutter opening time tR, the audience all can be observed normal picture, and promotes 3D effect.And during the first demonstration time T 1 and second shows time T 2; The left eye shutter 122 and the right eye shutter 124 of shutter glasses 120 all are to be in closing state; Be the state that the audience can not see any picture, so the time reduce backlight illumination and can't have influence on and view and admire quality.In other words, by on be set forth in and improve backlight illumination in the VBI, or show that in first time T 1 and second shows in the time T 2 adjustment such as reduction backlight illumination, the present invention can reach the effect of power saving when lifting 3D views and admires quality.

See also Fig. 4 and Fig. 5 in addition, Fig. 4 and Fig. 5 are the sequential sketch mapes that is respectively a change type of this first preferred embodiment.At first see also Fig. 4.In this change type, backlight control unit 108 is the first video data Info 1 that provided according to panel data output unit 110 and the backlight illumination of the second video data Info, 2 control backlight modules 104.As shown in Figure 4, the time that promotes backlight illumination is not only corresponding and contain VBI at least, more can be greater than VBI.Therefore, in the time of can guaranteeing that left eye shutter 122 or right eye shutter 124 are opened, the audience can watch normal and noiseless, and the 3D picture of flicker free situation.

Please consult Fig. 3 once more.Because left eye shutter opening time tL must cooperate appearing successively of left eye picture and right eye picture to open in regular turn with right eye shutter opening time tR; Therefore concerning the audience, the light that gets into eyes will nearly reduce 1/2 than general 2D or the eyes of not wearing shutter glasses 120.And left eye shutter opening time tL is corresponding fully with right eye shutter opening time tR and equals VBI in above-mentioned first preferred embodiment, so the time of arbitrary unlatching of being sharp-eyed is shorter, and the time of closing is longer.That is to say that the light that gets into eyes nearly will reduce 5/6, so the audience will more clearly experience ken deepening.Therefore, in this change type, left eye shutter opening time tL and right eye shutter opening time tR more can be greater than VBI except that corresponding and contain the VBI.As shown in Figure 5, the left eye shutter opening time tL of shutter glasses 120 shows that since first time T 1 promptly shows that until second time T 2 finishes; Right eye shutter opening time tR then shows that since second time T 2 shows that until first time T 1 finishes.Because backlight module 104 only improves backlight illumination in VBI; All the other time backlight modules 104 are in closes or state that brightness is darker; Even right and left eyes shutter opening time tL, tR elongate; The audience also only watches left and right each other display message at VBI in the time, therefore still can keep the quality of viewing and admiring of 3D picture.The more important thing is,, become light source so surround lighting can get into audience's ken this moment because left eye shutter opening time tL and right eye shutter opening time tR have elongated.As far as the audience, not only can not experience the change of backlight illumination, can obtain a comparatively bright environment of viewing and admiring on the contrary.

In sum; 3 d display device 100 and stereoscopic picture plane display method 10 that this first preferred embodiment is provided; Be after judging that input information is a 3D image, just, make it in the VBI of display panels 102, improve backlight illumination by the backlight illumination of backlight control unit 108 control backlight modules 104; Or in the first demonstration time T 1 and the second demonstration time T 2, reduce backlight illumination; Being matched with left eye shutter 122 or right eye shutter 124 that VBI opens, is when promoting the 3D image quality, to reach the effect of energy saving.

Next see also Fig. 6, Fig. 6 is the sketch map of one second preferred embodiment of 3 d display device provided by the present invention.As shown in Figure 6,3 d display device 200 comprise a display panels 202, a backlight module 204, a backlight module driver 206, a backlight control unit 208, with a panel data output unit 210, a shutter glasses 220, a shutter glasses control unit 230 and a 3D system control unit 240.3D system control unit 240 is electrically to connect panel data output unit 210 and shutter glasses control unit 230.When the image of desire output was a 3D image, 3D system control unit 240 is about to a left eye display message Info L to be provided simultaneously with a right eye display message Info R and gives panel data output unit 210 and shutter glasses control unit 230.Panel data output unit 210 is to electrically connect display panels 202, and left eye display message Info L and right eye display message Info R provided gives display panels 202.Display panels 202 alternately provides left eye display message Info L and right eye display message Info R in regular turn with scan mode.On the other hand, shutter glasses control unit 230 is to electrically connect a backlight control unit 208 and a shutter glasses 220, and shutter glasses 220 comprises a left eye shutter 222 and a right eye shutter 224 (being shown in Fig. 8).When 3D system control unit 240 provided left eye display message Info L and right eye display message Info R and shutter glasses control unit 230, shutter glasses control unit 230 promptly provided shutter glasses 220 1 shutter glasses switch signals according to left eye display message Info L and right eye display message Info R; Simultaneously this signal is provided and give backlight control unit 208.Backlight control unit 208 is to electrically connect backlight module driver 206, electrically connects backlight module 204 then, the backlight illumination of the shutter glasses switch signal adjustment backlight module 204 that provides according to shutter glasses control unit 230.For instance, when the left eye shutter 222 and the right eye shutter 224 of shutter glasses 220 were closed simultaneously, backlight control unit 208 was to reduce backlight illumination; Or when left eye shutter 222 or the 224 arbitrary unlatchings of right eye shutter, all improve backlight illumination.

Below see also Fig. 7 and Fig. 8, Fig. 7 is the flow chart of the stereoscopic picture plane display method that provided for this second preferred embodiment; Fig. 8 then is a sequential sketch map of this second preferred embodiment.As shown in Figure 7, the stereoscopic picture plane display method 20 that this second preferred embodiment is provided at first carries out:

Step 22: display panels 202, backlight module 204 and shutter glasses 220 are provided;

As previously mentioned, shutter glasses 220 more comprises left eye shutter 222 and right eye shutter 224.It should be noted that in addition; Though only address display panels 202, backlight module 204 and shutter glasses 220 in the step 22, yet this 3 d display device 200 that second preferred embodiment provided still comprises assemblies such as above-mentioned backlight module driver 206, backlight control unit 208, panel data output unit 210, shutter glasses control unit 230 and 3D system control unit 240.Only, therefore display panels 202, backlight module 204 and shutter glasses 220 are only described in step 22 because of 3D image and the luminance difference that stereoscopic picture plane display method appeared is that shutter glasses 220 is viewed and admired display panels 202 and backlight module 204 is learnt by seeing through.But the personage Ying Ke that has the knack of this skill understands these assemblies according to above-mentioned explanation structure with control relation, so be to repeat no more in this.Next be to carry out in regular turn:

Step 24a: provide a left eye to show time T L, in left eye shows time T L, show left eye display message Info L in display panels 202;

Step 24b: one first vertical blanking VBI interval 1 is provided;

Step 24c: provide a right eye to show time T R, in right eye shows time T R, show right eye display message Info R in display panels 202;

Step 24d: one second vertical blanking VBI interval 2 is provided;

Show that for more clearly demonstrating left eye time T L, VBI 1, right eye show the sequential relationship of time T R and VBI 2, please consult Fig. 8 simultaneously.As shown in Figure 8; When the image of institute's desire demonstration is a 3D image; 3D system control unit 240 promptly provides panel data output unit 210 left eye display message Info L and right eye display message Info R, and panel data output unit 210 provides left eye display message Info L and right eye display message Info R to give display panels 202.202 of display panels alternately provide left eye to show time T L and right eye demonstration time T R in regular turn, to scan respectively and to show left eye display message Info L and right eye display message Info R.In addition as previously mentioned, show that at left eye the left eye display message Info L that scans among the time T L can intactly retain in left eye and show that time T L and right eye show the VBI 1 between the time T R.And the right eye display message Info R that in right eye demonstration time T R, scans can cover left eye display message Info L, and intactly retains in the VBI 2 between right eye demonstration time T R and the left eye demonstration time T L.Subsequently, repeat to get into left eye again and show time T L, and carry out the scanning of left eye display message Info L.Above-mentioned steps is can repeat to close 3 d display device 200 or finish stereoscopic picture plane display method 20 until the audience.And when step 24a ~ 24d carries out, be to carry out in regular turn:

Step 26a: when VBI 1, open left eye shutter 222;

Step 26b: when VBI 2, open right eye shutter 224;

As shown in Figure 8; The stereoscopic picture plane display method 20 that second preferred embodiment is provided according to basis; 3D system control unit 240 is simultaneously left eye display message Info L and right eye display message Info R to be offered shutter glasses control unit 230, and shutter glasses control unit 230 then provides shutter glasses 220 1 shutter glasses switch signals according to left eye display message Info L and right eye display message Info R: shutter glasses 220 is when VBI 1, to open left eye shutter 222; And when VBI 2, open right eye shutter 224, and its opening time is respectively tL and tR.As previously mentioned; Because complete left eye display message Info L and right eye display message Info R retain in respectively among VBI 1 and the VBI 2, therefore this second preferred embodiment is that left eye shutter opening time tL is corresponding respectively with right eye shutter opening time tR and contain VBI 1 and VBI 2 at least fully.Be to watch the complete and left eye picture that has no to disturb when in view of the above, left eye shutter 222 is opened; Be to watch the complete and right eye picture that has no to disturb when in like manner right eye shutter 224 is opened.The more important thing is, when carrying out step 24a ~ 24d and step 26a ~ 26b, be to carry out:

Step 28: when opening left eye shutter 222 or right eye shutter 224, all improve backlight illumination, and when left eye shutter 222 and right eye shutter 224 are closed simultaneously, reduce this backlight illumination.

Please still consult Fig. 8.The stereo display method 20 that second preferred embodiment is provided according to basis; Shutter glasses control unit 230 is above-mentioned shutter glasses switch signal to be provided to give backlight control unit 208 simultaneously, so backlight control unit 208 is when left eye shutter opening time tL or right eye shutter opening time tR, all to improve the backlight illumination of backlight module 204; More can, left eye shutter 222 and right eye shutter 240 reduce backlight illumination when closing simultaneously in addition.In Fig. 8, be to improve backlight illumination even complete opening backlight module 204 to open (ON) expression; And to close (OFF) expression reduction backlight illumination even to close backlight module 204 fully.

It should be noted that; Backlight illumination is all to improve in opening left eye shutter 222 or right eye shutter 224 (being left eye shutter opening time tL or right eye shutter opening time tR) time in this second preferred embodiment; Therefore the audience can be observed normal picture, and promotes 3D effect.And during left eye shows that time T L and right eye show time T R; The left eye shutter 222 and the right eye shutter 224 of shutter glasses 220 all are to be in closing state; Be the state that the audience can not see any picture, so the time reduce backlight illumination and can't have influence on and view and admire quality.In other words; By on be set forth in left eye shutter opening time tL or right eye shutter opening time tR and improve backlight illumination; Or in adjustment such as left eye demonstration time T L and right eye demonstration time T R reduction backlight illuminations, the present invention can reach the effect of power saving when quality is viewed and admired in lifting.

See also Fig. 9 in addition, Fig. 9 is the sequential sketch map of a change type of this second preferred embodiment.As previously mentioned; Because left eye shutter opening time tL is corresponding fully respectively with right eye shutter opening time tR and contains VBI 1 and VBI 2 at least; So the time of arbitrary unlatching of being sharp-eyed is shorter, and the time of closing is longer, so the audience will more clearly experience ken deepening.Therefore, in this change type, shutter glasses control unit 230 is may command shutter glasses 220, makes its left eye shutter opening time tL and right eye shutter opening time tR except that corresponding respectively to VBI 1, VBI 2, more can be greater than VBI 1, VBI 2.As shown in Figure 9, the left eye shutter opening time tL of shutter glasses 220 shows that from left eye time T L promptly begins to show that until right eye time T R finishes; Right eye shutter opening time tR then shows that from right eye time T R begins to show that until left eye time T L finishes.Backlight module 204 only improves backlight illumination in VBI 1 and VBI 2; All the other time backlight modules 204 are in closes or state that brightness is darker; Right and left eyes shutter opening time tL, tR were elongated; The audience also only watches left and right each other display message at VBI 1, VBI in 2 times, therefore still can keep the quality of viewing and admiring of 3D picture.The more important thing is,, become light source so surround lighting also can get into audience's ken this moment because left eye shutter opening time tL and right eye shutter opening time tR have elongated.As far as the audience, not only can not experience the change of backlight illumination, can obtain a comparatively bright environment of viewing and admiring on the contrary.

In sum; 3 d display device and stereoscopic picture plane display method that this second preferred embodiment is provided; Be to judge when input information is a 3D image; Just by the switch and the backlight control unit 208 of shutter glasses control unit 230 control shutter glasses 220, more, make it when left eye shutter opening time tL and right eye shutter opening time tR, all improve backlight illumination by the backlight illumination of backlight control unit 208 control backlight modules 204; Or, left eye shutter 222 and right eye shutter 224 reduce backlight illumination when closing simultaneously.Therefore, can when promoting the 3D image quality, reach the effect of energy saving.

In sum, according to 3 d display device provided by the present invention and stereoscopic picture plane display method, be when VBI or unlatching left-eye/right-eye shutter, to improve backlight illumination, when scanning left-eye/right-eye information or closing the left-eye/right-eye shutter, then reduce backlight illumination.In other words; The sequential display mode that cooperates 3 d display device can be controlled the switch and the backlight illumination height of shutter glasses simultaneously, so not only can improve the shortcoming of three-dimensional ghost when showing stereopsis; More can reach the purpose that reduces backlight module power consumption, and attain the effect of energy saving.

The above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.

Claims (16)

1. a stereoscopic picture plane display method is characterized in that, includes:
One first demonstration time and one second demonstration time alternately are provided, and in this first demonstration time and this second demonstration time, show one first display message and one second display message respectively;
Be provided for one vertical blanking interval between this first demonstration time and this second demonstration time; And
Improve a backlight illumination in this vertical blanking interval to being less than, and in this first demonstration time of part at least with all reduce this backlight illumination in this second demonstration time of part at least.
2. stereoscopic picture plane display method according to claim 1 is characterized in that: the time of wherein improving this backlight illumination is contained this vertical blanking interval at least fully.
3. stereoscopic picture plane display method according to claim 1 is characterized in that, also comprises:
One shutter glasses is provided, and this shutter glasses comprises a left eye shutter and a right eye shutter;
One left eye shutter opening time was provided, opens this left eye shutter; And
One right eye shutter opening time was provided, opens this right eye shutter.
4. stereoscopic picture plane display method according to claim 3 is characterized in that: wherein this left eye shutter opening time and this right eye shutter opening time are contained the time of this vertical blanking interval or raising backlight illumination respectively at least fully.
5. stereoscopic picture plane display method according to claim 4 is characterized in that: wherein this left eye shutter opening time and this right eye opening time are respectively greater than this vertical blanking interval or time of improving backlight illumination.
6. stereoscopic picture plane display method according to claim 5; It is characterized in that: wherein this left eye shutter opening time is contained this first demonstration time, this vertical blanking interval and this second demonstration time in regular turn, and this right eye shutter opening time is contained this second demonstration time, this vertical blanking interval and this first demonstration time in regular turn.
7. the 3 d display device in order to demonstration aforesaid right requirement 1 to 6 each described stereoscopic picture plane display method is characterized in that, includes:
One display panels provides this first display message, this second display message and this vertical blanking interval in regular turn with scan mode;
One backlight module; And
One backlight control unit electrically connects this backlight module, in order to control this backlight illumination of this backlight module.
8. a stereoscopic picture plane display method is characterized in that, includes:
Provide a left eye to show the time, in this left eye demonstration time, show a left eye display message;
Be provided one first vertical blanking interval, and open a left eye shutter of a shutter glasses;
Provide a right eye to show the time, show time showing one right eye display message in this right eye; And
Be provided one second vertical blanking interval, and open a right eye shutter of this shutter glasses; And
When opening this left eye shutter or this right eye shutter, all improve a backlight illumination, and when this left eye shutter and this right eye shutter are closed simultaneously, reduce this backlight illumination.
9. stereoscopic picture plane display method according to claim 8 is characterized in that: wherein this left eye shows that time, this first vertical blanking interval, this right eye show that time and this second vertical blanking interval are to repeat in regular turn.
10. stereoscopic picture plane display method according to claim 8; It is characterized in that: wherein the opening time of this left eye shutter is contained this first vertical blanking interval at least fully, and the opening time of this right eye shutter is contained this second vertical blanking interval at least fully.
11. stereoscopic picture plane display method according to claim 10 is characterized in that: wherein the opening time of this left eye shutter is greater than this first vertical blanking interval, and the opening time of this right eye shutter is greater than this second vertical blanking interval.
12. stereoscopic picture plane display method according to claim 11; It is characterized in that: wherein this left eye shutter opening time is contained this left eye in regular turn and shows that time, this first vertical blanking interval and this right eye show the time, and this right eye shutter opening time is contained this right eye demonstration time, this second vertical blanking interval and this left eye demonstration time in regular turn.
13. the 3 d display device in order to demonstration aforesaid right requirement 7 to 12 each described stereoscopic picture plane display methods is characterized in that, includes:
One display panels repeats to provide this left eye display message, this first vertical blanking interval, this right eye display message and this second vertical blanking interval in regular turn with scan mode;
One shutter glasses control unit is in order to this left eye shutter of controlling this shutter glasses and the switch of this right eye shutter;
One backlight module; And
One backlight control unit electrically connects this shutter glasses control unit and this backlight module, in order to control this backlight illumination of this backlight module.
14. a stereoscopic picture plane display method is characterized in that, includes:
One first demonstration time and one second demonstration time alternately are provided, and in this first demonstration time and this second demonstration time, show one first display message and one second display message respectively;
Be provided for one vertical blanking interval between this first demonstration time and this second demonstration time;
Improve a backlight illumination in this vertical blanking interval to being less than, and in this first demonstration time of part at least with all reduce this backlight illumination in this second demonstration time of part at least; And
The one left eye shutter opening time and a right eye shutter opening time of one shutter glasses alternately are provided; With a left eye shutter and a right eye shutter of opening this shutter glasses respectively, and this left eye shutter opening time and this right eye shutter opening time be not less than the time of this raising backlight illumination respectively.
15. stereoscopic picture plane display method according to claim 14 is characterized in that: the time of wherein improving this backlight illumination is contained this vertical blanking interval at least fully.
16. stereoscopic picture plane display method according to claim 14; It is characterized in that: wherein this left eye shutter opening time is contained this first demonstration time, this vertical blanking interval and this second demonstration time in regular turn, and this right eye shutter opening time is contained this second demonstration time, this vertical blanking interval and this first demonstration time in regular turn.
CN2010102138732A 2010-06-30 2010-06-30 Stereo picture display method and stereo display device CN101888565B (en)

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