CN102469336B - Shutter glasses and image display system - Google Patents

Shutter glasses and image display system Download PDF

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Publication number
CN102469336B
CN102469336B CN201110364995.6A CN201110364995A CN102469336B CN 102469336 B CN102469336 B CN 102469336B CN 201110364995 A CN201110364995 A CN 201110364995A CN 102469336 B CN102469336 B CN 102469336B
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China
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above
mentioned
state
selection portion
image
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CN201110364995.6A
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Chinese (zh)
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CN102469336A (en
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饭岛千代明
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精工爱普生株式会社
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Priority to JP256549/2010 priority Critical
Priority to JP2010256549A priority patent/JP2012109763A/en
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Publication of CN102469336A publication Critical patent/CN102469336A/en
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Publication of CN102469336B publication Critical patent/CN102469336B/en

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Abstract

The present invention provides shutter glasses and the image display system of the reduction of the brightness of the display image that can suppress visual.Shutter glasses (3) possess switch to make light transmission through state or the light selection portion (31) of the blocking state of blocking light.Light selection portion (31) is configured to, in the case of the whole region (Ar0) passing through or interdicting carrying out light under through state or blocking state is hypothetically divided into multiple cut zone (Ar1) along the 1st direction (W1), multiple cut zone (Ar1) be allowed hand over into successively through state or blocking state along the 1st direction (W1).

Description

Shutter glasses and image display system

Technical field

The present invention relates to shutter glasses and image display system.

Background technology

It is known in the art that possess the display image display device of image and worn by observer Shutter glasses and three-dimensionally watched in image display device the display figure of display by this shutter glasses The image display system (3D display device) (for example, referring to patent documentation 1) of picture.

Figure 12 is the figure of the operation for existing image display system is described.

Specifically, Figure 12 (A) is to represent to write view data to each scan line of image display device The sequential chart of write timing, with the longitudinal direction of image display device (scan line L1 of topmost~ The each position of scan line Ln of bottom) it is the longitudinal axis.Additionally, Figure 12 (B) is to represent composition shutter The left eye shutter (lower half of Figure 12 (B)) of glasses and the right eye shutter (upper half of Figure 12 (B) Portion) through state OP and the sequential chart of switching timing of blocking state CL.

It addition, in Figure 12 (A), write to each scan line L1~Ln to schematically show The write timing of view data, links the write started to scan line L1 write view data with straight line Start timing (update and start timing) Ws and terminate the write knot to scan line Ln write view data Bundle timing (renewal stop timing) We.Additionally, for convenience of explanation, as at image display device The image of middle display, to left eye image and right eye image additional " L " and the labelling of " R " respectively The region of parallelogram (each image be all).

Image display device described in patent documentation 1 is by the liquid having by driving display image line by line The LCD display of crystal panel is constituted.Shown in this LCD display such as Figure 12 (A), with vertically In each vertical scanning period Tv1~Tv4 that synchronizing signal is specified, from the beginning of scan line L1 of topmost To scan line Ln of foot, in turn write view data, update display image.Then, LCD display is at the 1st period T1 (vertical scanning period Tv1, Tv2) and the 2nd of mutual switching In period T2 (vertical scanning period Tv3, Tv4), display image is updated at the 1st period T1 Become left eye image twice, be updated to right eye image twice at the 2nd period T2.

Additionally, the shutter glasses (left eye shutter and right eye shutter) described in patent documentation 1 is by what is called Liquid crystal shutter constitute.

Then, left eye shutter as shown in Figure 12 (B) lower half, only left eye in the 1st period T1 The 1st time of timing Ws extremely Next right eye image is started more with the 2nd of image the time update The period (vertical scanning period Tv2) newly starting timing Ws becomes and makes the saturating of the most all light transmissions Cross state OP, during other, then become blocking state CL interdicting the most all light.

Additionally, right eye shutter is as shown in Figure 12 (B) first half, only right eye in the 2nd period T2 The 1st time of timing Ws extremely Next left eye image is started more with the 2nd of image the time update The period (vertical scanning period Tv4) newly starting timing Ws becomes through state OP, in other phase Between then become blocking state CL.

That is, the period that left eye shutter and/or right eye shutter avoid left eye image and right eye image mixes (become the period of right eye image from left eye image update or become left eye to use from right eye image update The period of image), become through state OP.Therefore, observer only sees that with left eye left eye is used Image, only sees right eye image with right eye.Therefore, observer three-dimensionally watches aobvious by parallax Diagram picture.

[patent documentation 1] JP 2010-117437 publication

But, in the image display system described in patent documentation 1, owing to shutter glasses only exists Above-mentioned period becomes through state OP, therefore, it is possible to see left eye image and right eye image Time tail off as a result, the problem that there is the luminance-reduction of visual display image.

Summary of the invention

It is an object of the invention to provide the fast peephole of the reduction of the brightness of the display image that can suppress visual Mirror and image display system.

The shutter glasses of the present invention, it is characterised in that possess switch to make light transmission through state or Person interdicts the light selection portion of the blocking state of light, and above-mentioned light selection portion is configured to pass through above-mentioned The whole region passing through or interdicting of light is carried out along the 1st direction imagination under state or above-mentioned blocking state In the case of Ground Split is multiple cut zone, by above-mentioned multiple cut zone along above-mentioned 1st direction In turn allow hand over into above-mentioned through state or above-mentioned blocking state.

According to the present invention, it is configured to as described above owing to constituting the light selection portion of shutter glasses Switch to through state or blocking state, therefore, as shown below, by making light selection portion work, The reduction of the brightness of visual display image can be suppressed.

That is, consistent with the vertical scanning direction driven line by line in image display device and the 1st direction Mode constitutes light selection portion.Additionally, drive, with passing through in image display device, the display carried out line by line In the renewal position (scan position (position of each scan line)) of image and light selection portion multiple points Cut region to the switching position switched through state or blocking state (through state and blocking state The whole region mixed is positioned at through state and the position of the cut zone of the boundary member of blocking state Put) substantially uniform mode makes light selection portion work.

By such composition, in image display device, even if at such as left eye image and right eye The period mixed with image, observer can also pass through shutter glasses, only sees that with left eye left eye is used Image, only sees right eye image with right eye.

Therefore, it is possible to suppress such as left eye image the generation of crosstalk such as to be seen by the right eye of observer, Shutter glasses can be extended through simultaneously and see the time of display image, it is possible to suppress visual display figure The reduction of the brightness of picture.

In the shutter glasses of the present invention, it is preferable that above-mentioned light selection portion possesses opposite each other 1st substrate and the 2nd substrate and airtight inclosure between above-mentioned 1st substrate and above-mentioned 2nd substrate Liquid crystal, above-mentioned 1st substrate and above-mentioned 2nd substrate are respectively provided with for executing to above-mentioned liquid crystal Alive electrode, at least one party of each above-mentioned electrode of above-mentioned 1st substrate and above-mentioned 2nd substrate Being made up of multiple row electrodes, above-mentioned multiple row electrodes, in above-mentioned whole region, have along with above-mentioned The shape of the 2nd direction extension that the 1st direction is orthogonal, and be set up in parallel along above-mentioned 1st direction.

In the present invention, the electrode arranged on the 1st substrate and the electrode arranged on the 2nd substrate At least one party is made up of above-mentioned multiple row electrodes suitable with multiple cut zone.

So, if selecting multiple row electrode to become state or the non-applying of voltage of voltage applying successively State, then successively the light portion of selection can be switched to through state or blocking state along the 1st direction.

Therefore, by making electrode become being simply formed of above-mentioned multiple row electrode, it is possible to suppression is visual The reduction of brightness of display image.

In the shutter glasses of the present invention, it is preferable that above-mentioned light selection portion possesses opposite each other 1st substrate and the 2nd substrate and airtight inclosure between above-mentioned 1st substrate and above-mentioned 2nd substrate Liquid crystal, above-mentioned 1st substrate and above-mentioned 2nd substrate are respectively provided with for executing to above-mentioned liquid crystal Alive electrode, above-mentioned 1st substrate and above-mentioned 2nd substrate are gradually to increase along above-mentioned 1st direction The mode of big separation distance is arranged.

In the present invention, owing to the 1st substrate and the 2nd substrate are arranged as described above, therefore, Between 1 substrate and the 2nd substrate, the gauge of the liquid crystal layer of airtight inclosure is configured to along the 1st direction It is gradually increased.

Here, liquid crystal to have gauge the least, reply the fastest response characteristics.

If it is therefoie, for example, between each electrode apply voltage, then can for imagination segmentation multiple Cut zone is along the 1st direction in turn, i.e. big to gauge from the position that gauge is little The light portion of selection in turn, is switched to blocking state by position (the 1st direction).It addition, light is selected It is also same that portion switches to the situation through state.

Therefore, by utilizing being simply formed of the response characteristics of liquid crystal, it is possible to suppress visual display figure The reduction of the brightness of picture.

The image display system of the present invention, it is characterised in that possess: above-mentioned shutter glasses;Display The display part of image;Display control unit, it makes above-mentioned display part drive line by line, in the of mutual switching During 1 and the 2nd during in, by above-mentioned display part display image update during the above-mentioned 1st Become the 1st image, and be updated to the 2nd image during the above-mentioned 2nd;And shutter control portion, its control Make the operation in above-mentioned light selection portion.

According to the present invention, image display system, owing to possessing above-mentioned shutter glasses, therefore, can obtain The effect identical with above-mentioned shutter glasses and effect.

In the image display system of the present invention, it is preferable that above-mentioned shutter control portion is with from above-mentioned aobvious Show that in portion, the timing starting regularly to stagger that updates of the image of display is starting point, by above-mentioned multiple cut sections Territory in turn switches through state or above-mentioned blocking state to above-mentioned along above-mentioned 1st direction.

In the present invention, shutter control portion controls the operation in light selection portion as shown below.

Such as, shutter control portion is with than the most ophthalmically acceptable image update of left eye image from display part The timing updating the beginning timing delayed appointment time is starting point, by multiple points of the light selection portion of right eye Cut region in turn to switch to through state along the 1st direction.

That is, multiple cut zone in the light selection portion of right eye to the switching position switched through state Become than the position corresponding with the renewal position of the right eye image in display part to the inverse side in the 1st direction To (on the 1st direction delayed) position staggered.

Additionally, such as, shutter control portion is with than the most ophthalmically acceptable image of right eye image from display part The timing updating the beginning timing advance appointment time updated is starting point, by the light selection portion of right eye Multiple cut zone switch to blocking state successively along the 1st direction.

That is, light selection portion to blocking state switching switching position become than with the left eye in display part With (on the 1st direction advanced) that update that position corresponding to position stagger to the 1st direction of image Position.

Therefore, shutter control portion controls the operation in light selection portion as described above, even if in display In the case of the position relationship of image and shutter glasses somewhat staggers, observer with left eye also only is able to See left eye image, only see right eye image with right eye.I.e., it is possible to the generation of suppression crosstalk.

Accompanying drawing explanation

Fig. 1 is the axonometric chart of the occupation mode representing the image display system in the 1st embodiment.

Fig. 2 is the block diagram of the composition schematically showing the image display system in the 1st embodiment.

Fig. 3 is the schematic diagram of the driving method for the liquid crystal panel in the 1st embodiment is described.

Fig. 4 is the figure of the composition schematically showing the light selection portion in the 1st embodiment.

Fig. 5 is the figure of the operation for the image display system in the 1st embodiment is described.

Fig. 6 is the figure of the state representing the projection picture in the 1st embodiment and each selection portion.

Fig. 7 is the figure of the state representing the projection picture in the 1st embodiment and each selection portion.

Fig. 8 is the figure of the state representing the projection picture in the 1st embodiment and each selection portion.

Fig. 9 is the figure of the state representing the projection picture in the 1st embodiment and each selection portion.

Figure 10 is the figure of the composition schematically showing the light selection portion in the 2nd embodiment.

Figure 11 is the figure of the response characteristics representing the light selection portion in the 2nd embodiment.

Figure 12 is the figure of the operation for existing image display system is described.

Symbol description:

1: image display system;3: shutter glasses;21: liquid crystal panel (display part);25: aobvious Show control portion;26: sending part (shutter control portion);31: light selection portion;311: the 1 substrates; 312: the 2 substrates;313: liquid crystal;315,318: electrode;315A: row electrode;A0: whole Region;A1~A6: cut zone;During T1: the 1;During T2: the 2;W1: the 1 side To;W2: the 2 direction.

Detailed description of the invention

1st embodiment

Hereinafter, the 1st embodiment of the present invention is described with reference to the accompanying drawings.

The composition of image display system

Fig. 1 is the axonometric chart of the occupation mode representing image display system 1.

Image display system 1, at screen S c (Fig. 1) the upper display projection picture of reflection-type, makes simultaneously Observer three-dimensionally watches projection picture.

This image display system 1, as it is shown in figure 1, possess the scialyscope 2 as image display device With shutter glasses 3.

The composition of scialyscope

Fig. 2 is the block diagram of the composition schematically showing scialyscope 2.

Scialyscope 2 forms image based on image information (view data), and projects in screen S c.

This scialyscope 2, as shown in Figure 1 or 2, possesses the housing frame 2A (Fig. 1) constituting shell Optical unit 2B and control device 2C (Fig. 2) with storage in housing frame 2A.

Optical unit 2B is specifically illustrating omission, and it has: light source portion, modulation are from above-mentioned light source portion The light of injection and formed the liquid crystal panel 21 (Fig. 2) as display part of image and projection as Projecting lens 22 (Fig. 1).

Control device 2C and there is CPU (CPU) etc., and control liquid crystal panel 21 and/ Or the operation of shutter glasses 3.

This control device 2C, as in figure 2 it is shown, possess image ROM (read only memory) 23, determine Time controller 24, display control unit 25, as the sending part 26 in shutter control portion and storage part 27.

Image ROM 23 is stored on liquid crystal panel 21 view data formed.

Here, view data by with the left eye as the 1st image by image-related left eye picture number According to and constitute by image-related right eye view data with the right eye as the 2nd image.Additionally, this Each view data a little are made up of the set of the data of each frame respectively.

Timing controller 24 reads the synchronization that the view data of storage is comprised in image ROM 23 Signal (vertical synchronizing signal, horizontal-drive signal), by same to display control unit 25 and sending part 26 Step.

Fig. 3 is the schematic diagram of the driving method for liquid crystal panel 21 is described.

Display control unit 25 is being appropriately read out in image ROM 23 view data right of storage After these view data implement the process specified, drive liquid crystal panel 21 line by line so that it is display is based on this The image of view data.

Specifically, display control unit 25 is according to the synchronizing signal exported from timing controller 24, such as figure Shown in 3, during vertical scanning in, open from scan line L (L1) of the topmost of liquid crystal panel 21 Begin to scan line L (Ln) of foot in turn to each pixel write view data (apply and The corresponding voltage of gray scale), update the image of display on liquid crystal panel 21.Then, display control unit In 25 during next vertical scanning, carry out above-mentioned same process, be updated to next image.

It addition, following the most for convenience of explanation, during a vertical scanning in, will be from starting to scanning The write of line L1 write view data starts timing Ws to terminating to scan line Ln write view data Write stop timing We till sweep time be designated as Tsc (with reference to Fig. 5).

Sending part 26, in order to control the operation of shutter glasses 3, sends in the timing specified and will constitute soon The light selection portion 31 described later of peephole mirror 3 switches to start timing through the switching of state or blocking state Relevant signal (being designated as timing signal below).

Specifically, sending part 26 based on the vertical synchronizing signal exported from timing controller 24 and The timing of the period information of storage in storage part 27, will start with the switching through state or blocking state The most relevant signal sends to shutter glasses 3.

In the present embodiment, sending part 26 be specifically illustrating omission, it possesses infraluminescence LED (light emitting diode) and make drive circuit etc. luminous for this infraluminescence LED, and send out by changing Light time and/or light-emitting mode send above-mentioned signal.

The letter that storage part 27 storage is relevant with during the shown below the 1st beginning and during the 2nd beginning Breath.

Be equivalent to the output timing from vertical synchronizing signal during 1st beginning start to light selection portion 31 To switch through state switching start timing till period (be equivalent to the period of Fig. 5 (B) D1)。

Be equivalent to the output timing from vertical synchronizing signal during 2nd beginning start to light selection portion 31 To blocking state switching switching start timing till period (be equivalent to the period of Fig. 5 (B) D2)。

It addition, the 2nd start during length be equivalent to the length during vertical scanning and deduct the 1st and open Length during beginning.

In the present embodiment, it is configured to more than Tsc/50 sweep time and scanning during the 1st beginning The time of time below Tsc/20.

The composition of shutter glasses

Shutter glasses 3 is worn by observer, as shown in Figure 1 or 2, possess a pair light selection portion 31, Acceptance division 32 (Fig. 2) and shutter drive division 33 (Fig. 2).

Below for convenience of explanation, by light choosing corresponding with the left eye of observer in a pair light selection portion 31 Selecting portion 31 and be set to left eye selection portion 31L, the light selection portion 31 corresponding with right eye is set to right eye choosing Select portion 31R.

Fig. 4 is the figure of the composition schematically showing light selection portion 31.Specifically, Fig. 4 (A) is The figure in light selection portion 31 is seen from light incident side (side left from the observer wearing shutter glasses 3), Fig. 4 (B) is the sectional view of the IV-IV line in Fig. 4 (A).

It addition, descend direction to be equivalent in a pair light selection portion 31 the most in fig. 4, the upper Arrange and just to the vertical under the state (state of the posture shown in Fig. 1) of screen S c.Below Described " on ", D score and " vertical " also refer respectively in the posture shown in Fig. 1 Under state " on ", D score and " vertical ".

A pair light selection portion 31 has an identical composition, and switch to make light transmission through state or screening The blocking state of disconnected light.

This light selection portion 31, as shown in Figure 4, possesses the 1st substrate the 311, the 2nd substrate 312 and liquid Brilliant 313.

1st substrate 311 is made up of the rectangular slab with light transmission, and sets relative to the 2nd substrate 312 Put at light incident side.

In the 1st substrate 311, at the end face of light incident side, as shown in Fig. 4 (B), it is provided with Only make the 1st polarization plates 314 of the 1st linear polarization light transmission in the light of incidence.

Additionally, in the 1st substrate 311, at light emitting side (close to the observation wearing shutter glasses 3 The side of person) end face, as shown in Figure 4, be provided with the 1st transparency electrode 315.

1st transparency electrode 315, as shown in Figure 4, is made up of multiple row electrode 315A.

In the present embodiment, row electrode 315A is only provided with the number of scan line L of liquid crystal panel 21 Amount, in the diagram, for convenience of explanation, illustrate only 6.

Multiple row electrode 315A are for executing alive electrode to liquid crystal 313, as shown in Figure 4, There is the shape extended along horizontal direction (the 2nd direction W2), and along vertical the (the 1st Direction W1 (identical with the scanning direction of liquid crystal panel 21)) it is set up in parallel.

It addition, each row electrode 315A is equivalent to cut zone Ar1 involved in the present invention.Additionally, The region surrounded with sept 316 is equivalent to involved in the present invention through under state or blocking state Carry out passing through or the whole region Ar0 of blocking of light.

2nd substrate 312, as the 1st substrate 311, is made up of the rectangular slab with light transmission, as Shown in Fig. 4 (B), separate certain interval via sept 316 relative with the 1st substrate 311, and Airtight inclosure liquid crystal 313 between itself and the 1st substrate 311 and sept 316.

In the 2nd substrate 312, at the end face of light emitting side, as shown in Fig. 4 (B), it is provided with Only make the light of incidence has the of the polarization direction orthogonal with the polarization direction of the 1st rectilinearly polarized light 2nd polarization plates 317 of 2 linear polarization light transmissions.

Additionally, in the 2nd substrate 312, at the end face of light incident side, as shown in Figure 4, be provided with 2nd transparency electrode 318.

2nd transparency electrode 318 is for executing alive electrode to liquid crystal 313, such as Fig. 4 (A) institute Show there is plane earth and cover the shape of multiple row electrode 315A.

Acceptance division 32 receives the signal sent from the sending part 26 of scialyscope 2.

In the present embodiment, acceptance division 32 be specifically illustrating omission, it has infrared photo detector etc., Receive the infrared light from sending part 26 injection and be transformed into signal, exporting to shutter drive division 33.

Shutter drive division 33 is according to the signal from acceptance division 32, from the row electrode 315A of topmost Start to the row electrode 315A of foot, in turn by between itself and the 2nd transparency electrode 318 It is set to voltage apply or the state of the non-applying of voltage, and light selects portion 31 switch to blocking state or saturating Cross state.

Below it addition, for convenience of explanation, in light selection portion 31, by from the row electrode of topmost 315A starts each position of the row electrode 315A to foot and each scan line of liquid crystal panel 21 L1~Ln is corresponding, and is set to L1 '~Ln ' (with reference to Fig. 5).

In the present embodiment, shutter drive division 33 is with the scanning with the liquid crystal panel 21 of scialyscope 2 Identical for time Tsc time implements to start to will through state from being switched to by the position L1 ' of topmost The position Ln ' of foot switch to through state till sweep time.In other words, shutter drive division 33 drive light selection portions 31 so that start to the position Ln ' of foot from the position L1 ' of topmost be Only switch to the speed through state and start to the position Ln of foot with the position L1 from topmost be Only the speed (scanning speed) of write view data is identical.It addition, the switching to blocking state is also Same.

The operation of image display system

Fig. 5 is the figure of the operation for image display system 1 is described.

Specifically, Fig. 5 (A) is the figure of the expression sequential as Figure 12 (A).Additionally, Fig. 5 (B) it is to represent left eye selection portion 31L (Fig. 5 (B) lower half) and right eye selection portion 31R The switching through state or blocking state of each position L1 '~Ln ' of (Fig. 5 (B) first half) is fixed Time sequential chart, with the longitudinal direction (position of the position L1 ' of topmost to foot in light selection portion 31 Ln ') it is the longitudinal axis.

It addition, in Fig. 5 (B), in the same manner as Fig. 5 (A), by cutting of the position L1 ' of topmost Switching timing Le of position Ln ', the Re straight line that change timing Ls, Rs and foot link.Additionally, It is represented by dashed line linking the straight line to the switching timing of blocking state switching, will link to through state The straight line of the switching timing of switching is indicated by the solid line.Further, as the state in light selection portion 31, For through state and blocking state, (each state is all for labelling additional " OP " and " CL " respectively It is the region of the parallelogram surrounded by dotted line and solid line).

The operation of above-mentioned image display system 1 is described referring next to Fig. 5.

Below it addition, for convenience of explanation, as the operation of image display system 1, sequentially illustrate The operation of scialyscope 2 and the operation of shutter glasses 3.

The operation of scialyscope

Control device 2C, control the operation of liquid crystal panel 21 as shown below.

Display control unit 25, as shown in Fig. 5 (A), each vertical scanning period Tv1~Tv4 ( Present embodiment was 1/240 (second)) according to left eye image, left eye image, right eye image The image shown on liquid crystal panel 21 with the sequential update of right eye image.In other words, display controls Portion 25 is during the 1st period T1 (vertical scanning period Tv1, Tv2) and the 2nd of mutual switching In T2 (vertical scanning period Tv3, Tv4), by the image of display on liquid crystal panel 21 the 1st Period T1 is updated to left eye image twice, is updated to right eye image twice at the 2nd period T2.

Specifically, defeated with the vertical synchronizing signal from timing controller 24 of display control unit 25 Go out write substantially uniform for timing V and start timing Ws, start to write view data to scan line L1, And write view data, until scan line Ln, updates the figure of display on liquid crystal panel 21 successively Picture.

Additionally, sending part 26 is according to the vertical synchronizing signal from timing controller 24 with at storage part The information of storage in 27, by with each selection portion 31L, 31R to through state OP or blocking state The signal that the switching of CL switching starts timing relevant sends to shutter glasses 3.

Sending part 26 by with left eye selection portion 31L start to the switching switched through state OP fixed The signal of Shi Youguan sends to shutter glasses 3 in timing shown below.

That is, sending part 26, as shown in Fig. 5 (B) lower half, from vertical scanning period Tv1's Start time starts the most delayed 1st timing Ls1 starting period D1, sends and left eye selection portion 31L starts, to the switching switched through state OP, the signal that timing is relevant.

It addition, timing Ls1 is equivalent to writing from the left eye image initially updated in the 1st period T1 Enter to start timing Ws and start the most delayed 1st timing starting period D1.

Additionally, sending part 26 by with left eye with selection portion 31L to blocking state CL switching switching The signal starting timing relevant sends to shutter glasses 3 in timing shown below.

That is, sending part 26, as shown in Fig. 5 (B) lower half, from vertical scanning period Tv2's Start time starts the most delayed 2nd timing Ls2 starting period D2, sends and left eye selection portion The switching to blocking state CL switching of 31L starts the signal that timing is relevant.

It addition, timing Ls2 is equivalent to writing from the right eye image initially updated in the 2nd period T2 Enter to start timing Ws and start the timing of the 1st beginning period D1 only in advance.

On the other hand, sending part 26 by with right eye with selection portion 31R to through state OP switch Switching start the most relevant signal of timing and send to shutter glasses 3 in timing shown below.

That is, sending part 26, as shown in Fig. 5 (B) first half, from vertical scanning period Tv3's Start time starts the most delayed 1st timing Rs1 starting period D1, sends and right eye selection portion 31R starts, to the switching switched through state OP, the signal that timing is relevant.

It addition, timing Rs1 is equivalent to writing from the right eye image initially updated in the 2nd period T2 Enter to start timing Ws and start the most delayed 1st timing starting period D1.

Additionally, sending part 26 is by the cutting to blocking state CL switching with right eye selection portion 31R Change the signal starting timing relevant to send to shutter glasses 3 in timing shown below.

That is, sending part 26, as shown in Fig. 5 (B) first half, from vertical scanning period Tv4's Start time starts the most delayed 2nd timing Rs2 starting period D2, sends and right eye selection portion The switching to blocking state CL switching of 31R starts the signal that timing is relevant.

It addition, timing Rs2 is equivalent to writing from the left eye image initially updated in the 1st period T1 Enter to start timing Ws and start the timing of the 1st beginning period D1 only in advance.

The operation of shutter glasses

Shutter drive division 33, according to the signal from acceptance division 32, identifies each selection portion 31L, 31R To through state OP or blocking state CL switching switching start timing Ls1, Ls2, Rs1, Rs2。

Then, shutter drive division 33, as shown in Fig. 5 (B), start timing Ls1, Rs1 in switching, Start to switch to through state OP from the position L1 ' of topmost respectively by each selection portion 31L, 31R, Until the position Ln ' of foot switches to through state OP.

Additionally, shutter drive division 33 switching start timing Ls2, Rs2, by each selection portion 31L, 31R starts to blocking state CL switching from the position L1 ' of topmost respectively, until the position of foot To blocking state CL switching till Ln '.

Fig. 6 to Fig. 9 is the figure of the state representing projection picture and each selection portion 31L, 31R.Specifically Ground, Fig. 6 (A) to Fig. 9 (A) is illustrated respectively in the screen in each moment of P1~P4 shown in Fig. 5 Projection picture on curtain Sc, Fig. 6 (B) to Fig. 9 (B) is illustrated respectively in each moment of P1~P4 The state of each selection portion 31L, 31R.

It addition, in Fig. 6 (A) to Fig. 9 (A), left eye image is set to " Left ", right Ophthalmically acceptable image is set to " Right ".Additionally, in Fig. 6 (B) to Fig. 9 (B), select as light The state in portion 31, blocking state CL oblique line represents.

As it has been described above, worked, such as when P1, owing to being in by image display system 1 In 1st period T1 in the renewal way of the 2nd image the most ophthalmically acceptable, therefore, in screen S c, as Shown in Fig. 6 (A), only show left eye image.

Then, shutter glasses 3 is as shown in Fig. 6 (B), and left eye selection portion 31L becomes through state OP, right eye selection portion 31R become blocking state CL.

Therefore, the left eye in screen S c is only visible with the left eye of observer with image.

Additionally, when P2, the most ophthalmically acceptable from left eye image owing to being in the 2nd period T2 In the renewal way of image, therefore, in screen S c, as shown in Fig. 7 (A), side shows up Show a part for right eye image, in a part for side, lower section display left eye image.That is, become The projection picture that left eye image and right eye image mix.

It addition, in Fig. 7 (A), will update in way more from the most ophthalmically acceptable image of left eye image (scan position (is positioned at the scan line of the boundary member of left eye image and right eye image in new position Position)) it is set to LA.

Left eye selection portion 31L starts the position to foot owing to being in the position L1 ' from topmost Till Ln ' in the way of blocking state CL switching, therefore, as shown in Fig. 7 (B), only top Side becomes blocking state CL, and side, lower section remains in that through state OP.

It addition, in Fig. 7 (B), by corresponding with the renewal position LA of each selection portion 31L, 31R Position (position of row electrode 315A) be set to LA '.Additionally, at left eye with in selection portion 31L, (will be positioned at through state OP and blocking state CL to the switching position of blocking state CL switching The position of the row electrode 315A of boundary member) it is set to LB.

Here, left eye selection portion 31L in the 2nd period T2 from the right eye image initially updated Write start timing Ws and start the timing Ls2 of the 1st beginning period D1 only in advance, from topmost Position L1 ' starts to switch to blocking state CL.That is, shown in switching position LB such as Fig. 7 (B), become Become the position advanced in the position LA ' downwards side more corresponding than with updating position LA.

Therefore, observer is by left eye selection portion 31L viewing left eye image and right eye image In the case of the projection picture (Fig. 7 (A)) mixed, it is possible to the right eye figure of invisible upper side As and only see lower section side left eye image.

It addition, as it has been described above, the 1st start period D1 be configured to more than Tsc/50 sweep time and Sweep time below Tsc/20 time.Therefore, the interval between switching position LB and position LA ' Become in the case of all scan lines L1 of liquid crystal panel 21~the quantity of Ln are set to n and be equivalent to The interval of the scan line quantity of more than n/50 and below n/20.

On the other hand, right eye selection portion 31R starts to owing to being in the position L1 ' from topmost Till the position Ln ' of bottom in the way switched through state OP, therefore, as shown in Fig. 7 (B), Only upper side becomes through state OP, and side, lower section remains in that blocking state CL.

It addition, in Fig. 7 (B), at right eye with in selection portion 31R, will be to through state OP The switching position of switching (is positioned at through state OP and the row electrode of the boundary member of blocking state CL The position of 315A) it is set to LC.

Here, right eye selection portion 31R in the 2nd period T2 from the right eye image initially updated Write start timing Ws start the most delayed 1st start period D1 timing Rs1, from topmost Position L1 ' starts to switch to through state OP.Therefore, switching position LC, as shown in Fig. 7 (B), Become the position that the position LA ' upward side more corresponding than with updating position LA is stepped back.

Therefore, observer is by right eye selection portion 31R viewing left eye image and right eye image In the case of the projection picture (Fig. 7 (A)) mixed, it is possible to the left eye figure of side, invisible lower section Picture, and only see the right eye image of upper side.

It addition, the interval between switching position LC and position LA ' is as described above, become suitable In more than n/50 and the interval of the quantity of below n/20.

Further, when P3, owing to being in the 2nd figure the most ophthalmically acceptable in the 2nd period T2 In the renewal way of picture, therefore, in screen S c, as shown in Fig. 8 (A), only show that right eye is used Image.

Then, shutter glasses 3, as shown in Fig. 8 (B), right eye selection portion 31R becomes through shape State OP, left eye selection portion 31L becomes blocking state CL.

Therefore, the right eye in screen S c is only visible with the right eye of observer with image.

Additionally, when P4, the most ophthalmically acceptable from right eye image owing to being in the 1st period T1 In the renewal way of image, therefore, in screen S c, as shown in Fig. 9 (A), with Fig. 7 (A) phase Instead, a part for side display left eye image up, at side, lower section display right eye image A part.

It addition, in Fig. 9 (A), from the renewal updated way of the most ophthalmically acceptable image of right eye image (scan position (is positioned at the position of the scan line of the boundary member of left eye image and right eye image in position Put) be and identical for the renewal position LA position in Fig. 7 (A).

Then, shutter glasses 3 is as shown in Fig. 9 (B), and left eye selection portion 31L becomes and at P2 The state identical for right eye selection portion 31R (Fig. 7 (B)) in moment, right eye selection portion 31R Become and identical for left eye selection portion 31L (Fig. 7 (the B)) state in the moment at P2.

Therefore, the projection picture (Fig. 9 (A)) that left eye image and right eye image are mixed, The left eye image of upper side is visual with selection portion 31L only by left eye, the right eye of side, lower section Visual only by right eye selection portion 31R with image.

According to the 1st above-mentioned embodiment, there is following effect.

In the present embodiment, light selection portion 31 is configured to can cut successively along the 1st direction W1 Change into through state OP or blocking state CL.

Therefore, in scialyscope 2, even if (hanging down in the period that left eye image and right eye image mix Straight scanning period Tv1, Tv3), observer also is able to only see a left side by shutter glasses 3 left eye Ophthalmically acceptable image, only sees right eye image with right eye.

Therefore, it is possible to the generation of suppression crosstalk, extend through shutter glasses 3 simultaneously and see projection picture Time, it is possible to suppress the reduction of the brightness of visual projection picture.

Additionally, the 1st transparency electrode 315 is made up of multiple row electrode 315A.

So, if selecting multiple row electrode 315A to be set to state or the voltage of voltage applying successively The state of non-applying, then can select portion 31 to switch to through shape successively along the 1st direction W1 by light State OP or blocking state CL.

Therefore, by making the 1st transparency electrode 315 become being simply formed of multiple row electrode 315A, The reduction of the brightness of visual projection picture can be suppressed.

Further, sending part 26 is with determining of starting that timing Ws starts to stagger from the write of view data Time Ls1, Rs1, Ls2, Rs2 be starting point, along the 1st direction W1 successively to through state OP Or blocking state CL switching.

Such that make the position relationship of the projection picture in screen S c and shutter glasses 3 somewhat stagger In the case of, observer also is able to only see left eye image with left eye, only sees the right side with right eye Ophthalmically acceptable image.I.e., it is possible to the generation of suppression crosstalk.

2nd embodiment

2nd embodiment of the present invention is described below according to accompanying drawing.

In the following description, for the composition identical with above-mentioned 1st embodiment and same parts, Paying identical symbol, its detailed description is omitted or simplified.

Figure 10 is the figure of the composition in the light selection portion 31 schematically showing the 2nd embodiment.Specifically Ground, Figure 10 (A) is the figure in light selection portion 31 in terms of light incident side, and Figure 10 (B) is Figure 10 (A) In the sectional view of X-X line.

It addition, in Figure 10 (A), by the whole region Ar0 that surrounds with sept 316 along 1 direction W1 is hypothetically divided into multiple cut zone Ar1, illustrates this cut zone Ar1 with dotted line. Additionally, the position of each cut zone Ar1 is equivalent to the position of explanation in above-mentioned 1st embodiment L1 '~Ln '.

In the present embodiment, relative to above-mentioned 1st embodiment, as shown in Figure 10, only 1 substrate 311 is different with differently configured and the 1st transparency electrode 315 the shape of the 2nd substrate 312. Other composition is identical with above-mentioned 1st embodiment.

Specifically, the 1st substrate the 311 and the 2nd substrate 312 in the 2nd embodiment, such as Figure 10 institute Show, by along with arranging in the way of side (the 1st direction W1) increases separation distance downward.

That is, the thickness of the liquid crystal 313 of airtight inclosure between the 1st substrate the 311 and the 2nd substrate 312 Size Th is by along with being constituted in the way of side increases downward.

Additionally, the 1st transparency electrode 315 in the 2nd embodiment, as shown in Figure 10, it is configured to With the 2nd transparency electrode 318 same shape.

Figure 11 is the figure of the response characteristics representing light selection portion 31.Specifically, Figure 11 is with the time as horizontal stroke Axle, with the transmitance in light selection portion 31 as the longitudinal axis.

It addition, in fig. 11, for convenience of explanation, illustrate only at each position L1 '~L5 ' (figure 10 (A)) response characteristics at place.

As the response characteristics of liquid crystal 313, it is that gauge Th is the least, replys the fastest characteristic.

That is, as shown in Figure 11 (A), in light selection portion 31, cut to through state OP from beginning Change to terminate the time till switching through state OP, at the topmost that gauge Th is minimum Position L1 ' become the shortest.Then, this time becomes everybody of big side, lower section at gauge Th Put L2 '~L5 ' place the most elongated.

It addition, as shown in Figure 11 (B), in light selection portion 31, from starting to blocking state CL Be switched to terminate to blocking state CL switching till time be also same.

In the present embodiment, each transparency electrode 315,318 as shown in Figure 10, from topmost Position L1 ' to the position Ln ' of foot is used in conjunction with.

Therefore, shutter drive division 33 by by be set between each transparency electrode 315,318 voltage apply or The state of the non-applying of voltage, the position Ln ' ringing foot from the position L1 of topmost switches to hide successively Disconnected state or the state of passing through.

Then, in the present embodiment, by suitably setting gauge Th, from the position of topmost Put L1 ' to terminate to start to the position Ln ' of foot to terminate to switch to through state to through state switching Till time be configured to the time identical with Tsc sweep time.In other words, from the position of topmost Put L1 ' start to the position Ln ' of foot to switch to be configured to through the speed of state with from The position L1 of topmost starts to write the speed (scanning of view data to the position Ln of foot Speed) identical.It addition, the switching to blocking state is also same.

That is, by shutter drive division 33 by between each transparency electrode 315,318 above-mentioned 1st embodiment party In formula, the switching of explanation starts timing Ls1, Rs1 and is set to the state of the non-applying of voltage, starts in switching Regularly Ls2, Rs2 are set to the state that voltage applies, and light selection portion 31 is carried out and above-mentioned 1st embodiment party The operation that formula is identical.

It addition, for the operation of other image display system 1, due to above-mentioned 1st embodiment phase With, therefore omit the description.

According to the 2nd above-mentioned embodiment, in addition to the effect identical with above-mentioned 1st embodiment, Also there is following effect.

In the present embodiment, the gauge Th of liquid crystal 313 is configured to along with downward one Side increases.

So, if applying voltage, then multiple points imagination can split to each electrode 315,318 Cut region Ar1 along the 1st direction W1 in turn, i.e. from the beginning of position L1 ' little for gauge Th Towards position Ln ' big for gauge Th in turn, light select portion 31 switch to blocking state CL. It addition, it is also same that light selects portion 31 switch to the situation through state OP.

Therefore, by utilizing being simply formed of the response characteristics of liquid crystal 313, it is possible to suppress visual throwing The reduction of the brightness of shadow image.

It addition, the present invention is not limited to aforesaid embodiment, the purpose of the present invention can reached Deformation under scope, amendment etc. are also contained in the present invention.

In the respective embodiments described above, although image display system 1 is configured to the 1st image and 2 images are respectively as left eye image and right eye image, and make observer three-dimensionally watch display figure Picture, but be not restricted to that this.Such as, as image display system, it would however also be possible to employ by the 1st image With the 2nd image as the different image of content, and different observers is made to watch two display images respectively The composition of (the 1st image and the 2nd image).

In the case of so constituting, as shutter glasses 3, as long as arranging, only there is left eye choosing Select portion 31L (quantity of left eye selection portion 31L can be single can also be multiple) glasses and Only have right eye selection portion 31R (quantity of right eye selection portion 31R can be single can also Multiple) glasses both.

In above-mentioned 1st embodiment, although light selection portion 31 is by the shutter structure that make use of liquid crystal 313 Become, but be not restricted to that this.As light selection portion, as long as switch successively along the 1st direction W1 Become through state OP or the composition of blocking state CL, it would however also be possible to employ the most mechanically switch One-tenth passes through other compositions such as the composition of state or blocking state.

In the respective embodiments described above, although the view data being configured on liquid crystal panel 21 be formed exists Image ROM 23 stores, but be not restricted to that this.In order to according to from the outside input of scialyscope 2 Picture signal carry out image and show, it would however also be possible to employ possess the picture signal by inputting from outside (bright Degree-colour difference signal and/or analog rgb signal etc.) be transformed into designated code word length digital rgb letter Number, and by the data of the 1st image and the 2nd image in the timing given to display control unit 25 The composition in the image signal transformation portion provided.

In the respective embodiments described above, in image display system 1, only lift employing orthographic projection type The example of scialyscope 2, but, the present invention can also be to use to possess screen and from the back side of this screen Side carries out the composition of the back projection type scialyscope projected.

Additionally, in the respective embodiments described above, in image display system 1, although have employed projection Machine 2, but be not restricted to that this, it would however also be possible to employ liquid crystal display, plasma TV, organic EL (electroluminescent) display etc..

In above-mentioned 1st embodiment, although start the position to foot from the position L1 ' of topmost Switch to successively till putting Ln ', through state OP or blocking state CL, but be not restricted to that this.

Such as, due to the position (position of shutter glasses 3) of the observer relative to screen S c, Watched the projection picture on screen Sc by shutter glasses 3 in the case of, it is also possible to have in light selection portion In the whole region Ar0 of 31, projection is as inconsistent situation.

Therefore, as shown below, it would however also be possible to employ cut successively under any range of position L1 '~Ln ' Change into through state OP or the composition of blocking state CL.

Various positions with the shutter glasses 3 relative to screen S c are associated, at storage part i.e., in advance 27 grades are stored in advance in the projection of seeing in screen S c by shutter glasses 3 as in the case of The visual range (any range of position L1 '~Ln ') of the projection picture in whole region Ar0 and should Scope starts to the position of foot from the position of topmost switch to through state or blocking shape The speed of state.

Additionally, pre-set the equidistant sensor of ultrasonic sensor in shutter glasses 3.

Then, shutter drive division 33 by this range sensor identification relative to the fast peephole of screen S c The position (spatial value) of mirror 3.

Then, shutter drive division 33 reads and the shutter glasses 3 identified from storage part 27 grade Visual range that position is corresponding and speed.

Then, shutter drive division 33 in read-out visual range, start from the position of topmost to Till the position of foot, switch to through state OP or blocking state CL with read-out speed.

In above-mentioned 1st embodiment, although be formed as the 1st transparency electrode the 315 and the 2nd transparent electrical The shape of pole 318 is different, but be not restricted to that this, and the 2nd transparency electrode 318 can also be saturating with the 1st Prescribed electrode 315 is the same to be made up of multiple row electrodes.

The present invention can use image display device and/or the shutter glasses stereos copic viewing figures such as scialyscope The image display system of picture utilizes.

Claims (5)

1. a shutter glasses, it is characterised in that possess:
First light selection portion and the second light selection portion, the state of each of which make light transmission through state And switch between the blocking state of blocking light;
Wherein, the edge, whole region on each surface in above-mentioned first light selection portion and the second light selection portion The 1st direction to be supposed to Ground Split and become multiple cut zone, above-mentioned first light selection portion and the choosing of the second light Portion of selecting above-mentioned multiple cut zone are in turn switched to along above-mentioned 1st direction above-mentioned through state or Person's above-mentioned blocking state, above-mentioned multiple cut zone each the vertical with above-mentioned 1st direction the 2nd Side upwardly extends, and above-mentioned first light selection portion and the second light selection portion are arranged side by side on above-mentioned 2nd direction,
An optical selector in above-mentioned first light selection portion and the second light selection portion from above-mentioned through shape State another light in the switching of above-mentioned blocking state and above-mentioned first light selection portion and the second light selection portion Selector from above-mentioned blocking state to above-mentioned through state switching period switching during, above-mentioned one Blocking region in individual optical selector increases successively along above-mentioned 1st direction, and another light above-mentioned selects The penetrating region of device increases successively along above-mentioned 1st direction, another optical selector above-mentioned through district Territory sets up the region corresponding with the blocking part of said one optical selector above-mentioned 1st side,
First borderline region is switched to above-mentioned on above-mentioned 1st direction by above-mentioned first light selection portion successively Blocking state and above-mentioned through in state, above-mentioned first borderline region is in blocking state Multiple cut zone and the border between being in through multiple cut zone of state,
The second boundary region is switched to above-mentioned on above-mentioned 1st direction by above-mentioned second light selection portion successively Blocking state and above-mentioned through another in state, above-mentioned the second boundary region is in blocking state Multiple cut zone and border between being in through multiple cut zone of state,
Above-mentioned first border and the second boundary are positioned at different positions on above-mentioned 1st direction.
Shutter glasses the most according to claim 1, it is characterised in that
Above-mentioned light selection portion possesses:
1st substrate opposite each other and the 2nd substrate;And
The liquid crystal of airtight inclosure between above-mentioned 1st substrate and above-mentioned 2nd substrate;
Above-mentioned 1st substrate and above-mentioned 2nd substrate are respectively arranged to above-mentioned liquid crystal applied voltages Electrode;
At least one party of each above-mentioned electrode of above-mentioned 1st substrate and above-mentioned 2nd substrate is by multiple row electricity Pole is constituted;
Above-mentioned multiple row electrode, in above-mentioned whole region, has along orthogonal with above-mentioned 1st direction The shape that 2nd direction extends, and be set up in parallel along above-mentioned 1st direction.
Shutter glasses the most according to claim 1, it is characterised in that
Above-mentioned light selection portion possesses:
1st substrate opposite each other and the 2nd substrate;And
The liquid crystal of airtight inclosure between above-mentioned 1st substrate and above-mentioned 2nd substrate,
Above-mentioned 1st substrate and above-mentioned 2nd substrate are respectively arranged to above-mentioned liquid crystal applied voltages Electrode;
Above-mentioned 1st substrate and above-mentioned 2nd substrate are to be gradually increased separation distance along above-mentioned 1st direction Mode arrange.
4. an image display system, it is characterised in that possess:
According to the shutter glasses described in claim 1 to claim 3 any one;
The display part of display image;
Display control unit, it makes above-mentioned display part drive line by line, and during the 1st of mutual switching and During 2nd, the image of display in above-mentioned display part is updated to the 1st figure during the above-mentioned 1st Picture, and it is updated to the 2nd image during the above-mentioned 2nd;And
Shutter control portion, it controls the operation in above-mentioned light selection portion.
Image display system the most according to claim 4, it is characterised in that
Stagger starting timing from the renewal of the image of display in above-mentioned display part in above-mentioned shutter control portion Timing as starting point, above-mentioned multiple cut zone are passed through to above-mentioned successively along above-mentioned 1st direction State or the switching of above-mentioned blocking state.
CN201110364995.6A 2010-11-17 2011-11-17 Shutter glasses and image display system CN102469336B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP256549/2010 2010-11-17
JP2010256549A JP2012109763A (en) 2010-11-17 2010-11-17 Shutter spectacles and image display system

Publications (2)

Publication Number Publication Date
CN102469336A CN102469336A (en) 2012-05-23
CN102469336B true CN102469336B (en) 2016-12-14

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