CN105842909B - Liquid crystal display device and preparation method thereof - Google Patents
Liquid crystal display device and preparation method thereof Download PDFInfo
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- CN105842909B CN105842909B CN201610429373.XA CN201610429373A CN105842909B CN 105842909 B CN105842909 B CN 105842909B CN 201610429373 A CN201610429373 A CN 201610429373A CN 105842909 B CN105842909 B CN 105842909B
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13363—Birefringent elements, e.g. for optical compensation
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
- G02F1/133541—Circular polarisers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133638—Waveplates, i.e. plates with a retardation value of lambda/n
Abstract
The present invention provides a kind of liquid crystal display devices and preparation method thereof.The liquid crystal display device includes the first quarter-wave phase delay chip being set between the first polaroid and first substrate；The second quarter-wave phase delay chip being set in the second substrate；And the second polaroid corresponding to visible area setting, it is set to the second quarter-wave phase delay on piece；The fast axis direction of the fast axis direction of first quarter-wave phase delay chip and the second quarter-wave phase delay chip is identical；It is 45 degree by the angle between the polarization direction and fast axis direction of the incident light of first substrate directive the second substrate；The polarization axle of first polaroid is vertical with the polarization axle of the second polaroid.The present invention solves the problems, such as that viewable pictures resolution ratio in the prior art and the low and visual black picture of the resolution ratio of peep-proof picture are difficult to realize.
Description
Technical field
The present invention relates to technical field of liquid crystal display more particularly to a kind of liquid crystal display device and preparation method thereof.
Background technique
Existing liquid crystal display device provides the pixel there are three types of function.Wherein one-row pixels are visual pictures.Separately
Outer is luminance compensation pixel and peep-proof pixel respectively, and the sum of brightness of luminance compensation and peep-proof pixel is required in naked eye viewing
For certain value, when such naked eye is watched, peep-proof picture cannot be differentiated, the retardation that has respectively of different function pixel is-λ/4 (λ
For wavelength) and λ/4 phase delay chip, thus respectively realize left-right rotary rotatory polarization, isolated in this way using peep-proof glasses
The picture of peep-proof.
Existing liquid crystal display device has the following problems: first is that the black picture of viewable pictures is difficult to realize；Second is that due to
1/3 pixel is used to compensate, so, either viewable pictures or the resolution ratio of peep-proof picture are low, and two kinds of pictures cannot all be given
The good visual experience of people.
Summary of the invention
The main purpose of the present invention is to provide a kind of liquid crystal display devices and preparation method thereof, to solve in the prior art
The problem of viewable pictures resolution ratio and the low and visual black picture of the resolution ratio of peep-proof picture are difficult to realize.
In order to achieve the above object, the present invention provides a kind of liquid crystal display devices, comprising: the first substrate being oppositely arranged
And the second substrate, the liquid crystal layer between the first substrate and the second substrate, and it is set to the first substrate
On the first polaroid；The first substrate includes visible area and peep-proof region；
The liquid crystal display device further include:
The first quarter-wave phase delay chip being set between first polaroid and the first substrate；
The second quarter-wave phase delay chip being set in the second substrate；And
Corresponding to the second polaroid of visible area setting, it is set to the second quarter-wave phase delay
On piece；
The fast axis direction of the first quarter-wave phase delay chip and the second quarter-wave phase are prolonged
The fast axis direction of slow piece is identical；
Between the polarization direction and the fast axis direction of the incident light of the second substrate as described in the first substrate directive
Angle is 45 degree；
The polarization axle of first polaroid is vertical with the polarization axle of second polaroid.
When implementation, the first substrate is array substrate, and the second substrate is color membrane substrates.
When implementation, multiple lines and multiple rows pixel unit is provided in the array substrate；
The Glassless region overlay odd-line pixels unit, the peep-proof region overlay even rows unit；Or
Person, the visible area cover even rows unit, the peep-proof region overlay odd-line pixels unit；Alternatively, described can
Viewed area covers odd column pixel unit, the peep-proof region overlay even column pixels unit；Alternatively, the visible area covering
Even column pixels unit, the peep-proof region overlay odd column pixel unit.
The size for each pixel unit for including when implementation, in the array substrate is identical；Second polaroid is gold
Belong to grating.
When implementation, the size of the corresponding pixel unit in the visible area is greater than the corresponding pixel unit in the peep-proof region
Size.
When implementation, the number of the pixel unit for visual display is greater than the number of the pixel unit shown for peep-proof.
When implementation, the array substrate is equipped with N+M row pixel unit；
The visible area covers N row pixel unit, the peep-proof region overlay M row pixel unit, and N is greater than M；N and M are
For positive integer；Alternatively,
The array substrate is equipped with n+m column pixel unit；
The visible area covers n row pixel unit, the peep-proof region overlay m row pixel unit, and n is greater than m；N and m are
For positive integer.
The present invention also provides a kind of production methods of liquid crystal display device, comprising: is oppositely arranged first substrate and second
Substrate；Liquid crystal layer is set between the first substrate and the second substrate；First polarisation is set on the first substrate
Piece；The first substrate includes visible area and peep-proof region；The production method of the liquid crystal display device further include:
First quarter-wave phase delay chip is set between first polaroid and the first substrate；
Second quarter-wave phase delay chip is set on the second substrate；
Correspond to the visible area in the second quarter-wave phase delay on piece and the second polaroid is set；
The fast axis direction of the first quarter-wave phase delay chip and the second quarter-wave phase are prolonged
The fast axis direction of slow piece is identical；
Between the polarization direction and the fast axis direction of the incident light of the second substrate as described in the first substrate directive
Angle is 45 degree；
The polarization axle of first polaroid is vertical with the polarization axle of second polaroid.
When implementation, the first substrate is array substrate, and the second substrate is color membrane substrates.
When implementation, multiple lines and multiple rows pixel unit is provided in the array substrate；
The Glassless region overlay odd-line pixels unit, the peep-proof region overlay even rows unit；Or
Person, the visible area cover even rows unit, the peep-proof region overlay odd-line pixels unit；Alternatively, described can
Viewed area covers odd-line pixels unit, the peep-proof region overlay even rows unit；Alternatively, the visible area covering
Even column pixels unit, the peep-proof region overlay odd column pixel unit.
The size for each pixel unit for including when implementation, in the array substrate is identical；Second polaroid is gold
Belong to grating.
When implementation, the size of the corresponding pixel unit in the visible area is greater than the corresponding pixel unit in the peep-proof region
Size.
When implementation, the number of the pixel unit for visual display is greater than the number of the pixel unit shown for peep-proof.
When implementation, the array substrate is equipped with N+M row pixel unit；
The visible area covers N row pixel unit, the peep-proof region overlay M row pixel unit, and N is greater than M；N and M are
For positive integer；Alternatively,
The array substrate is equipped with n+m column pixel unit；
The visible area covers n row pixel unit, the peep-proof region overlay m row pixel unit, and n is greater than m；N and m are
For positive integer.
Compared with prior art, liquid crystal display device of the present invention and preparation method thereof by by down polaroid by existing
There is the line polarisation piece in technology to be changed to rotatory polarization piece, the second quarter-wave phase delay chip is set in the second substrate,
Only the second polaroid is arranged in the part for corresponding to visible area in second quarter-wave phase delay on piece, and in the second base
Part on plate corresponding to peep-proof region is not provided with polaroid, is always illuminated state corresponding to peep-proof region, and light can be through anti-
Region is peeped, but (the light transmission shaft in the direction of the light transmission shaft of the peep-proof glasses and the first polaroid if not wearing peep-proof glasses
Direction needs identical) it can't see peep-proof picture, and be then the state normally shown in visible area, it is powered on when to liquid crystal layer, so that
When the retardation of liquid crystal layer is 0, the picture of visible area is black picture, can be improved while realizing picture peep-proof in this way
Viewable pictures resolution ratio and the resolution ratio of peep-proof picture are low and realize visual black picture.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of liquid crystal display device described in the embodiment of the present invention；
Fig. 2 is radiation direction schematic diagram of the liquid crystal display device described in embodiment of the present invention when not powered；
Fig. 3 is radiation direction schematic diagram of the liquid crystal display device described in the embodiment of the present invention in power-up.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, liquid crystal display device described in the embodiment of the present invention includes: the first substrate 11 being oppositely arranged and
Two substrates 12, the liquid crystal layer 10 between the first substrate 11 and the second substrate 12, and it is set to described first
The first polaroid 13 on substrate 11；The first substrate 11 includes visible area and peep-proof region；
The liquid crystal display device further include:
The first quarter-wave phase delay being set between first polaroid 13 and the first substrate 11
Piece 14；
The second quarter-wave phase delay chip 15 being set in the second substrate 12；And
Corresponding to the second polaroid 16 of visible area setting, it is set to the second quarter-wave phase and prolongs
On slow piece 15；
The fast axis direction of the first quarter-wave phase delay chip 14 and the second quarter-wave phase
The fast axis direction for postponing piece 15 is identical；
Between the polarization direction and the fast axis direction of 12 incident light of the second substrate as described in 11 directive of first substrate
Angle be 45 degree；
The polarization axle of first polaroid 13 is vertical with the polarization axle of second polaroid 16.
Liquid crystal display device described in the embodiment of the present invention is by being changed down polaroid by line polarisation piece in the prior art
For rotatory polarization piece, (the rotatory polarization piece is that is, first polaroid 13 and the first quarter-wave phase delay chip 14
Combination), the second quarter-wave phase delay chip 15 is set in the second substrate, in the second quarter-wave phase delay
The second polaroid 16 only is set in the part for corresponding to visible area on piece 15, and corresponds to peep-proof region in the second substrate 12
Part be not provided with polaroid, be always illuminated state corresponding to peep-proof region, light can penetrate peep-proof region, but if not wear
(direction of the light transmission shaft of the peep-proof glasses is identical as the light transmission axis direction need of the first polaroid) be can't see anti-if peep-proof glasses
Picture is peeped, and is then the state normally shown in visible area, is powered on when to liquid crystal layer, when so that the retardation of liquid crystal layer being 0,
The picture of visible area is black picture, can avoid viewable pictures in the prior art while realizing picture peep-proof in this way
The problem of resolution ratio and the low and visual black picture of the resolution ratio of peep-proof picture are difficult to realize.
In practical operation, the light transmission axis direction of first polaroid, the light transmission axis direction of second polaroid, institute
State the fast axis direction of the first quarter-wave phase delay chip and the fast axle of the second quarter-wave phase delay chip
Direction can be adjusted according to the actual situation.
The liquid crystal display device can be TN (Twisted Nematic, aligned twisted) mode, ADS (Advanced
Super Dimension Switch, advanced super dimension switch) mode or VA (Vertical Alignment, vertically oriented) mould
Formula.
In the specific implementation, as shown in Figure 1, being additionally provided with OC in the second substrate for being provided with second polaroid 16
Layer (flatness layer).
Specifically, the first substrate can be array substrate, the second substrate can be color membrane substrates.
In a preferred embodiment, multiple lines and multiple rows pixel unit is provided in the array substrate；
The visible area covers odd-line pixels unit, the peep-proof region overlay even rows unit；Alternatively, institute
State visible area covering even rows unit, the peep-proof region overlay odd-line pixels unit；Alternatively, the visible area
Cover odd column pixel unit, the peep-proof region overlay even column pixels unit；Alternatively, the visible area covers even column
Pixel unit, the peep-proof region overlay odd column pixel unit.
In this preferred embodiment, the distribution in the region of display and peep-proof region can be parity rows or parity column point
Cloth can make the arrangement of the corresponding pixel unit in peep-proof region and visible area comparatively more regular in this way, so that anti-
It peeps picture and viewable pictures quality is relatively high.
Specifically, the size for each pixel unit for including in the array substrate can be identical；Second polaroid
For metal grating；
In the specific implementation, the polaroid that color membrane substrates side corresponds to visual display can be substituted with metal grating, described
Metal grating is the sheet metal for being carved with a large amount of parallel wide, equidistant slits (groove), therefore need to correspond to the ruler of each pixel unit
It is very little identical.
Preferably, the size of the corresponding pixel unit in the visible area is greater than the corresponding pixel unit in the peep-proof region
Size.
Since peep-proof region is always illuminated state, the display effect of visible area will affect if its size is too big, because
The corresponding pixel unit in the visible area is sized to corresponding greater than the peep-proof region by this in the preferred case
The size of pixel unit.
Specifically, the number of the pixel unit for visual display is greater than the number of the pixel unit shown for peep-proof.
In practical operation, the number of pixels for visual display can be more than the number of pixels shown for peep-proof, such as two
Row visual display a line peep-proof is shown or two column visual displays, one column peep-proof is shown.
In a specific embodiment, the array substrate is equipped with N+M row pixel unit；
The visible area covers N row pixel unit, the peep-proof region overlay M row pixel unit, and N is greater than M；N and M are
For positive integer；Alternatively,
The array substrate is equipped with n+m column pixel unit；
The visible area covers n row pixel unit, the peep-proof region overlay m row pixel unit, and n is greater than m；N and m are
For positive integer.
In the specific embodiment, when visible area, peep-proof region correspond to full line or column of pixels unit, being used for can
It is greater than the number of the pixel unit shown for peep-proof depending on the number of the pixel unit shown, this ensures that for visually aobvious
The number of pixels shown can will not influence the display effect of visible area more than the number of pixels shown for peep-proof.
Illustrate liquid crystal display device of the present invention below by a specific embodiment.
As indicated with 1, down polaroid is changed for the structure chart of one specific embodiment of liquid crystal display device of the present invention
For rotatory polarization piece, first substrate is array substrate, and the second substrate is color membrane substrates, the light transmission axis direction of the first polaroid of downside
It is 45 degree, is the first quarter-wave phase delay chip 14 in the horizontal direction by fast axis direction, the light of backlight can
Become line polarisation by the first polaroid 13, it is inclined to be transformed to left-handed circle using the first quarter-wave phase delay chip 14
Light.
(radiation direction having when not powered is drawn in Fig. 2) as shown in Figure 2, liquid crystal display device as shown in Figure 1 exists
When not powered, the retardation of liquid crystal layer 10 is λ/2 (λ is wavelength), and it is inclined that the polarised light in this way after liquid crystal layer becomes dextrorotation circle
Light is provided with the second quarter-wave phase delay chip 15 of fast axis direction in the horizontal direction above liquid crystal layer 10；Light warp
Crossing the second quarter-wave phase delay chip 15 becomes line polarisation and polarization direction later as -45 degree；Upper polaroid has two
A polarization direction, the part of corresponding visible area are the second polaroids 16, and the direction of the light transmission shaft of second polaroid 16 is -45
Degree, so the light of visible area can pass through at this time, shows as ON state；And the part for corresponding to peep-proof region is OC layers (flatness layers),
So the luminous energy in peep-proof region passes through at this time, illuminated state is shown as.The light transmission axis direction of the polaroid of peep-proof glasses is 45 degree, is put on
Peep-proof picture can be seen after it, since the polarization direction of naked eye picture is always -45 degree, so can't see after putting on peep-proof glasses
Naked eye picture.
(radiation direction having when powering up is drawn in Fig. 2) as shown in Figure 3, liquid crystal display device as shown in Figure 1 is adding
When electric, it is still a left side that liquid crystal molecule, which deflects, as shown in figure 3, left-handed rotatory polarization is after liquid crystal layer 10, and polarization state is unchanged
Rounding polarisation, using the second quarter-wave phase delay chip 15 of fast axis direction in the horizontal direction, it is inclined that light becomes line
Light, and the line polarisation polarization direction is 45 degree, the part of corresponding naked eye picture is the second polaroid 16, second polaroid 16
Light transmission axis direction is -45 degree, so cannot pass through in visible area light, shows as OFF state；The part in corresponding peep-proof region by
Then OC layers (flatness layer), the light in peep-proof region remains to pass through at this time, and intensity is with not powered situation indifference, therefore naked eye
When viewing, peep-proof picture can't see.
In practical operation, the polarization axis direction for two polaroids that liquid crystal display device described in the embodiment of the present invention includes
And the fast axis direction of two quarter-wave phase delay chips is not limited to above-mentioned specific embodiment (liquid i.e. shown in Fig. 2
The specific embodiment of crystal device) direction, in practical operation, above-mentioned all directions can accordingly change, only need to be by all directions
All accordingly do identical angle change.
The production method of liquid crystal display device described in the embodiment of the present invention includes: to be oppositely arranged first substrate and the second base
Plate；Liquid crystal layer is set between the first substrate and the second substrate；First polaroid is set on the first substrate；
The first substrate includes visible area and peep-proof region；The production method of the liquid crystal display device further include:
First quarter-wave phase delay chip is set between first polaroid and the first substrate；
Second quarter-wave phase delay chip is set on the second substrate；
Correspond to the visible area in the second quarter-wave phase delay on piece and the second polaroid is set；
The fast axis direction of the first quarter-wave phase delay chip and the second quarter-wave phase are prolonged
The fast axis direction of slow piece is identical；
Between the polarization direction and the fast axis direction of the incident light of the second substrate as described in the first substrate directive
Angle is 45 degree；
The polarization axle of first polaroid is vertical with the polarization axle of second polaroid.
The production method of liquid crystal display device described in the embodiment of the present invention by by down polaroid by the prior art
Line polarisation piece is changed to rotatory polarization piece, and (the rotatory polarization piece is that is, first polaroid and the first quarter-wave phase are prolonged
The combination of slow piece), the second quarter-wave phase delay chip is set in the second substrate, in the second quarter-wave phase
Postpone on piece and the second polaroid only is set in the part for corresponding to visible area, and corresponding to peep-proof region in the second substrate
Part is not provided with polaroid, is always illuminated state corresponding to peep-proof region, light can penetrate peep-proof region, but if not wear anti-
(direction of the light transmission shaft of the peep-proof glasses is identical as the light transmission axis direction need of the first polaroid) can't see peep-proof if peeping glasses
Picture, and be then the state normally shown in visible area, it is powered on when to liquid crystal layer, it, can when so that the retardation of liquid crystal layer being 0
The picture of viewed area is black picture, can avoid naked eye picture point in the prior art while realizing picture peep-proof in this way
Resolution and the resolution ratio of peep-proof picture have the problem of low and visual black picture is difficult to realize.
Specifically, the first substrate can be array substrate, the second substrate can be color membrane substrates.
Preferably, multiple lines and multiple rows pixel unit is provided in the array substrate；
The visible area covers odd-line pixels unit, the peep-proof region overlay even rows unit；Alternatively, institute
State visible area covering even rows unit, the peep-proof region overlay odd-line pixels unit；Alternatively, the visible area
Cover odd-line pixels unit, the peep-proof region overlay even rows unit；Alternatively, the visible area covers even column
Pixel unit, the peep-proof region overlay odd column pixel unit.
In this preferred embodiment, the distribution in visible area and peep-proof region can be parity rows or odd even column distribution,
The arrangement of the corresponding pixel unit in peep-proof region and visible area can be made comparatively more regular in this way, so that peep-proof is drawn
Face and viewable pictures quality are relatively high.
Specifically, the size for each pixel unit for including in the array substrate is identical；Second polaroid is gold
Belong to grating.
In practical operation, the second polaroid that color membrane substrates side corresponds to visible area can use application type polaroid
With mask plate in conjunction with mode make.
Preferably, the size of the corresponding pixel unit in the visible area is greater than the corresponding pixel unit in the peep-proof region
Size.
Since peep-proof region is always illuminated state, the display effect of visible area will affect if its size is too big, because
The corresponding pixel unit in the visible area is sized to corresponding greater than the peep-proof region by this in the preferred case
The size of pixel unit.
Specifically, the number of the pixel unit for visual display is greater than the number of the pixel unit shown for peep-proof.
Specifically, the array substrate is equipped with N+M row pixel unit；
The visible area covers N row pixel unit, the peep-proof region overlay M row pixel unit, and N is greater than M；N and M are
For positive integer；Alternatively,
The array substrate is equipped with n+m column pixel unit；
The visible area covers n row pixel unit, the peep-proof region overlay m row pixel unit, and n is greater than m；N and m are
For positive integer.
Namely the pixel list when visible area, peep-proof region correspond to full line or column of pixels unit, for visual display
The number of member is greater than the number of the pixel unit shown for peep-proof, this ensures that the number of pixels for visual display can
More than the number of pixels shown for peep-proof, the display effect of visible area will not influence.
Liquid crystal display device described in the embodiment of the present invention and preparation method thereof utilizes rotatory polarization and coating polaroid
Technological means to separate public display picture and peep-proof shows picture, and can carry out peep-proof as the case may be and visual cut
Change, thus increase corresponding resolution ratio, it can be achieved that viewable pictures black picture.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (14)
1. a kind of liquid crystal display device, comprising: the first substrate and the second substrate that are oppositely arranged are located at the first substrate and institute
The liquid crystal layer between the second substrate is stated, and the first polaroid being set on the first substrate；It is characterized in that, described
One substrate includes visible area and peep-proof region；
The liquid crystal display device further include:
The first quarter-wave phase delay chip being set between first polaroid and the first substrate；
The second quarter-wave phase delay chip being set in the second substrate；And
Corresponding to the second polaroid of visible area setting, it is set to the second quarter-wave phase delay chip
On；
The fast axis direction of the first quarter-wave phase delay chip and the second quarter-wave phase delay chip
Fast axis direction it is identical；
Angle between the polarization direction and the fast axis direction of the incident light of the second substrate as described in the first substrate directive
It is 45 degree；
The polarization axle of first polaroid is vertical with the polarization axle of second polaroid.
2. liquid crystal display device as described in claim 1, which is characterized in that the first substrate is array substrate, described the
Two substrates are color membrane substrates.
3. liquid crystal display device as claimed in claim 2, which is characterized in that be provided with multiple lines and multiple rows picture in the array substrate
Plain unit；
The visible area covers odd-line pixels unit, the peep-proof region overlay even rows unit；Alternatively, described can
Viewed area covers even rows unit, the peep-proof region overlay odd-line pixels unit；Alternatively, the visible area covering
Odd column pixel unit, the peep-proof region overlay even column pixels unit；Alternatively, the visible area covers even column pixels
Unit, the peep-proof region overlay odd column pixel unit.
4. liquid crystal display device as claimed in claim 3, which is characterized in that each pixel list for including in the array substrate
The size of member is identical；Second polaroid is metal grating.
5. liquid crystal display device as claimed in claim 3, which is characterized in that the ruler of the corresponding pixel unit in the visible area
The very little size greater than the corresponding pixel unit in the peep-proof region.
6. liquid crystal display device as claimed in claim 3, which is characterized in that the number of the pixel unit for visual display is big
In the number of the pixel unit shown for peep-proof.
7. liquid crystal display device as claimed in claim 6, which is characterized in that the array substrate is equipped with N+M row pixel list
Member；
The visible area covers N row pixel unit, the peep-proof region overlay M row pixel unit, and N is greater than M；N and M are positive
Integer；Alternatively,
The array substrate is equipped with n+m column pixel unit；
The visible area covers n row pixel unit, the peep-proof region overlay m row pixel unit, and n is greater than m；N and m are positive
Integer.
8. a kind of production method of liquid crystal display device, comprising: be oppositely arranged first substrate and the second substrate；In first base
Liquid crystal layer is set between plate and the second substrate；First polaroid is set on the first substrate；It is characterized in that, described
First substrate includes visible area and peep-proof region；The production method of the liquid crystal display device further include:
First quarter-wave phase delay chip is set between first polaroid and the first substrate；
Second quarter-wave phase delay chip is set on the second substrate；
Correspond to the visible area in the second quarter-wave phase delay on piece and the second polaroid is set；
The fast axis direction of the first quarter-wave phase delay chip and the second quarter-wave phase delay chip
Fast axis direction it is identical；
Angle between the polarization direction and the fast axis direction of the incident light of the second substrate as described in the first substrate directive
It is 45 degree；
The polarization axle of first polaroid is vertical with the polarization axle of second polaroid.
9. the production method of liquid crystal display device as claimed in claim 8, which is characterized in that the first substrate is array base
Plate, the second substrate are color membrane substrates.
10. the production method of liquid crystal display device as claimed in claim 9, which is characterized in that be arranged in the array substrate
There is multiple lines and multiple rows pixel unit；
The visible area covers odd-line pixels unit, the peep-proof region overlay even rows unit；Alternatively, described can
Viewed area covers even rows unit, the peep-proof region overlay odd-line pixels unit；Alternatively, the visible area covering
Odd-line pixels unit, the peep-proof region overlay even rows unit；Alternatively, the visible area covers even column pixels
Unit, the peep-proof region overlay odd column pixel unit.
11. the production method of liquid crystal display device as claimed in claim 10, which is characterized in that include in the array substrate
Each pixel unit size it is identical；Second polaroid is metal grating.
12. the production method of liquid crystal display device as claimed in claim 8 or 9, which is characterized in that the visible area is corresponding
Pixel unit size be greater than the corresponding pixel unit in the peep-proof region size.
13. the production method of liquid crystal display device as claimed in claim 8 or 9, which is characterized in that the picture for visual display
The number of plain unit is greater than the number of the pixel unit shown for peep-proof.
14. the production method of liquid crystal display device as claimed in claim 9, which is characterized in that the pixel for visual display
The number of unit is greater than the number of the pixel unit shown for peep-proof；
The array substrate is equipped with N+M row pixel unit；
The visible area covers N row pixel unit, the peep-proof region overlay M row pixel unit, and N is greater than M；N and M are positive
Integer；Alternatively,
The array substrate is equipped with n+m column pixel unit；
The visible area covers n row pixel unit, the peep-proof region overlay m row pixel unit, and n is greater than m；N and m are positive
Integer.
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| JP2021518637A (en) | 2018-03-22 | 2021-08-02 | リアルディー スパーク エルエルシー | Optical waveguide for directional backlight |
| CN108490693A (en) * | 2018-04-16 | 2018-09-04 | 京东方科技集团股份有限公司 | A kind of display device, its driving method and display system |
| CN108535911A (en) | 2018-05-21 | 2018-09-14 | 京东方科技集团股份有限公司 | A kind of transparent liquid crystal display device |
| WO2020005748A1 (en) | 2018-06-29 | 2020-01-02 | Reald Spark, Llc | Optical stack for privacy display |
| WO2020018552A1 (en) | 2018-07-18 | 2020-01-23 | Reald Spark, Llc | Optical stack for switchable directional display |
| TW202102883A (en) | 2019-07-02 | 2021-01-16 | 美商瑞爾Ｄ斯帕克有限責任公司 | Directional display apparatus |
| EP4058842A4 (en) | 2019-11-13 | 2023-12-20 | RealD Spark, LLC | Off-axis display device |
| WO2021118936A1 (en) | 2019-12-10 | 2021-06-17 | Reald Spark, Llc | Control of reflections of a display device |
| CN115768643A (en) | 2020-04-30 | 2023-03-07 | 瑞尔D斯帕克有限责任公司 | Directional display device |
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| US11624944B2 (en) | 2020-07-29 | 2023-04-11 | Reald Spark, Llc | Backlight for switchable directional display |
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| WO2023196440A1 (en) | 2022-04-07 | 2023-10-12 | Reald Spark, Llc | Directional display apparatus |
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