CN105467658B - Double face display panel and double-side display device - Google Patents
Double face display panel and double-side display device Download PDFInfo
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- CN105467658B CN105467658B CN201511021725.XA CN201511021725A CN105467658B CN 105467658 B CN105467658 B CN 105467658B CN 201511021725 A CN201511021725 A CN 201511021725A CN 105467658 B CN105467658 B CN 105467658B
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- 230000010287 polarization Effects 0.000 claims description 20
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- 229920002120 photoresistant polymer Polymers 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 11
- 210000002469 basement membrane Anatomy 0.000 description 6
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- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
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- 239000010408 film Substances 0.000 description 2
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- 210000004379 membrane Anatomy 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
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- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 210000004276 hyalin Anatomy 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- 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
- G02F1/133553—Reflecting elements
-
- 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
- G02F1/133342—Constructional arrangements; Manufacturing methods for double-sided displays
-
- 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
- G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements
- G02F1/133565—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements inside the LC elements, i.e. between the cell substrates
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of double face display panels comprising：The first substrate (21) and the second substrate (22) being oppositely arranged；Multiple display units (23), array arrangement is on surface of the first substrate (21) towards the second substrate (22)；Multiple first reflecting layer (24) are intervally arranged between the first substrate (21) and the multiple display unit (23)；Multiple second reflecting layer (25) are intervally arranged on the surface in the second substrate (22) towards the first substrate (21)；Wherein, each second reflecting layer (25) corresponds to the interval between two adjacent the first reflecting layer (24).Invention additionally discloses a kind of double-side display devices.The present invention forms the double face display panel that dual reflective is shown using two substrates, compared with prior art, production cost can be greatly lowered, and be conducive to develop towards lightening direction.
Description
Technical field
The invention belongs to field of display technology, in particular, being related to a kind of double face display panel and double-side display device.
Background technique
With the development of display technology, people, which often need to use, to show the double-sided display dress of image in display two sides
It sets.This double-side display device can be applied to communications industry, government's window, financial industry, transportation industry and various service trades
The big public place of the various flows of the people such as business hall, such as airport, railway station, subway station, dining room, therefore double-side display device
It has broad application prospects.
Common double-sided liquid crystal display device is usually made of two liquid crystal display panels back to setting, and each liquid crystal
Panel is made of two pieces of glass substrates, so that double-sided liquid crystal display device be made at least to need four pieces of glass substrate compositions, in this way meeting
Cause double-sided liquid crystal display device with high costs, while being unfavorable for the lightening development of double-sided liquid crystal display device.
Summary of the invention
In order to solve the above-mentioned problems of the prior art, the purpose of the present invention is to provide a kind of double face display panel,
It includes：The first substrate and the second substrate being oppositely arranged；Multiple display units, array arrangement is in the first substrate towards institute
It states on the surface of the second substrate；Multiple first reflecting layer, are intervally arranged in the first substrate and the multiple display unit
Between；Multiple second reflecting layer are intervally arranged in the second substrate towards on the surface of the first substrate；Wherein, often
A second reflecting layer corresponds to the interval between two adjacent the first reflecting layer.
Further, the corresponding display unit in each first reflecting layer, and the corresponding display in each second reflecting layer
Unit.
Further, the display unit includes：Red sub- display unit, the sub- display unit of green and blue son display are single
Member.
Further, the double face display panel further includes：The first substrate is set to towards the second substrate
Clear area on surface and between the display unit.
Further, the double face display panel further includes：The first substrate is set to towards the second substrate
The first black matrix" on surface and between each display unit, and the second substrate is set to towards described first
The second black matrix" on the surface of substrate and between each display unit.
Another object of the present invention, which also resides in, provides a kind of double-side display device comprising the first backlight mould being oppositely arranged
Block and the second backlight module and the double-sided display face being set between first backlight module and second backlight module
Plate；First backlight module provides the first polarised light to the double face display panel, and second backlight module provides second
Polarised light gives the double face display panel, wherein the polarization of the polarization direction of first polarised light and second polarised light
Direction is vertical；Wherein, the double face display panel is above-mentioned double face display panel.
Further, first backlight module includes：First light guide plate has the first light-emitting surface and positioned at described first
The first substrate of first light incident sides of light-emitting surface side, first light-emitting surface and the double face display panel is oppositely arranged；
First choice sexual reflex element is arranged adjacent to first light incident sides, removes for transmiting first polarised light and reflecting
Light except first polarised light.
Further, second backlight module includes：Second light guide plate has the second light-emitting surface and positioned at described second
The second substrate of second light incident sides of light-emitting surface side, second light-emitting surface and the double face display panel is oppositely arranged；
Second selective reflecting element is arranged adjacent to second light incident sides, removes for transmiting second polarised light and reflecting
Light except second polarised light.
Further, the double-side display device further includes：First polaroid is set to first backlight module backwards
On the surface of the double face display panel；Second polaroid is set to second backlight module backwards to the double-sided display
On the surface of panel；Wherein, the extinction axis direction of first polaroid is identical as the polarization direction of first polarised light,
The extinction axis direction of second polaroid is identical as the polarization direction of second polarised light.
Beneficial effects of the present invention：The present invention forms the double face display panel that dual reflective is shown using two substrates, with
The prior art is compared, and production cost can be greatly lowered, and is conducive to develop towards lightening direction.
Detailed description of the invention
What is carried out in conjunction with the accompanying drawings is described below, above and other aspect, features and advantages of the embodiment of the present invention
It will become clearer, in attached drawing：
Fig. 1 is the structural schematic diagram of the double-side display device of first embodiment according to the present invention；
Fig. 2 is the structural schematic diagram of the double-side display device of second embodiment according to the present invention；
Fig. 3 is the structural schematic diagram of the double-side display device of third embodiment according to the present invention；
Fig. 4 is the structural schematic diagram of the double face display panel of fourth embodiment according to the present invention.
Specific embodiment
Hereinafter, with reference to the accompanying drawings to detailed description of the present invention embodiment.However, it is possible to come in many different forms real
The present invention is applied, and the present invention should not be construed as limited to the specific embodiment illustrated here.On the contrary, providing these implementations
Example is in order to explain the principle of the present invention and its practical application, to make others skilled in the art it will be appreciated that the present invention
Various embodiments and be suitable for the various modifications of specific intended application.
In the accompanying drawings, in order to understand device, the thickness of layer and region is exaggerated.Identical label is always shown in the accompanying drawings
Identical element.
Term " first ", " second " etc. herein can be used to describe various elements although will be appreciated that, these
Element should not be limited by these terms.These terms are only used to distinguish an element with another element.
Also it will be appreciated that being referred to as or being formed in another layer or substrate " on " or " under " in one layer or element
When, it can directly or be formed in another layer or substrate up or down, or there may also be middle layer or intermediary elements.
Fig. 1 is the structural schematic diagram of the double-side display device of first embodiment according to the present invention.
Referring to Fig.1, the double-side display device of first embodiment according to the present invention includes：First backlight module 10, setting
Double face display panel 20 under the first backlight module 10, the second backlight module being set under double face display panel 20
30, the first polaroid 40 being set on the first backlight module 10 and be set under the second backlight module 30 second partially
Mating plate 50.
In the present embodiment, the suction of extinction axis direction (or light transmission axis direction) and the second polaroid 50 of the first polaroid 40
Vertically, but the present invention is not limited thereto for optical axis direction (or light transmission axis direction).
First backlight module 10 provides the first polarised light (such as P light) to double face display panel 20, the second backlight module 30
The second polarised light (such as S light) is provided to double face display panel 20；Wherein, the polarization direction of the first polarised light and the second polarised light
Polarization direction it is vertical.
Here, the extinction axis direction of the first polaroid 40 is identical as the polarization direction of the first polarised light, the second polaroid 50
Extinction axis direction it is identical as the polarization direction of the second polarised light.
The double face display panel 20 of first embodiment according to the present invention includes：It is first substrate 21, the second substrate 22, multiple
Display unit 23, multiple first reflecting layer 24, multiple second reflecting layer 25.
Specifically, first substrate 21 is set between the first backlight module 10 and the second backlight module 30, the second substrate
22 are set between first substrate 21 and the second backlight module 30.
In the present embodiment, first substrate 21 can be for example CF color membrane substrates, and the second substrate 22 can be for example film crystal
Manage (TFT) array substrate；But the present invention is not restricted to this, such as first basic 21 to can be (i.e. colored not comprising color film
Photoresist) substrate, and the second substrate 22 can be COA (CF OnArray) substrate, provided by structure and the present embodiment
The structure of double-side display device is similar, and details are not described herein.
Specifically, multiple 23 array arrangements of display unit are in first substrate 21 towards on the surface of the second substrate 22.?
In the present embodiment, it is preferable that each display unit 23 is by red sub- display unit R, the sub- display unit G of green and blue son display
Unit B composition；But the present invention is not restricted to this, for example, each display unit 23 may include the sub- display unit of single color,
Perhaps the sub- display unit of two identical or different colors or more sub- display units of identical or different color.Here,
The sub- display unit of color can be red sub- display unit or the sub- display unit of green or the sub- display unit of blue or
The sub- display unit of person's white.
Multiple first reflecting layer 24 are intervally arranged between first substrate 21 and multiple display units 23, wherein first is anti-
The reflecting surface of layer 24 is penetrated towards display unit 23；And multiple second reflecting layer 25 are intervally arranged in the second substrate 22 towards the first base
On the surface of plate 21, wherein the reflecting surface in the second reflecting layer 25 is towards display unit 23；Each second reflecting layer 25 corresponds to
Interval between two adjacent the first reflecting layer 24.That is, multiple first reflecting layer 24 and multiple second reflecting layer 25
It is alternatively arranged up and down.It should be noted that in the present embodiment, can also between the second reflecting layer 25 and the second substrate 22 shape
At switch element (not shown), wherein the switch element can be for example thin film transistor (TFT) TFT, but the present invention is not restricted to this.
In this embodiment, it is preferred that the corresponding display unit 23 in each first reflecting layer 24, and each second is anti-
It penetrates layer 25 and also corresponds to a display unit 23；But the present invention is not restricted to this, for example, first reflecting layer 24 can correspond to
Perhaps the sub- display unit of three colors or first reflecting layer 24 also may be used for one or two in one display unit 23
With two or more corresponding display unit 23；Similarly, second reflecting layer 25 can correspond to a display unit 23
In one or two perhaps the sub- display unit of three colors or second reflecting layer 25 can also correspond to two or
More display units 23.In addition, the display corresponding with the second reflecting layer 25 of the corresponding display unit 23 in the first reflecting layer 24 is single
Member 23 color category, size, the sub- display unit of color for including quantity can be identical or not identical.In this way,
The first side, which is carried out, in double face display panel 20 shows that (i.e. upside display) and double face display panel 20 carry out second side and show (under i.e.
Side is shown) when, the picture that the picture and second side that the first side is shown are shown can have identical or different resolution ratio.For
Reducing two outer surfaces of double face display panel 20, (i.e. first substrate 21 is carried on the back backwards to the surface of the second substrate 22 and the second substrate 22
To the surface of first substrate 21) to the reflection effect of external ambient light, to mention high display quality, according to the present invention first implements
Example double face display panel 20 further include：First substrate 21 is set towards on the surface of the second substrate 22 and being located at each display
The first black matrix" 26 between unit 23, and the second substrate 22 is set towards on the surface of first substrate 21 and being located at
The second black matrix" 27 between each display unit 23.
In addition, the two sides of the second substrate 22 each extend over, using the binding that display and downside are shown as on the upside of respectively corresponding
Area (area Bonding).Here, this two binding areas are bonded a flexible printed circuit board (flexible printed respectively
circuit；FPC)28；Wherein, one of two flexible printed circuit boards 28 are connected to an integrated circuit (IC), to show to upside
Carry out signal control；And two the another of flexible printed circuit board 28 are connected to another integrated circuit (IC), to be shown to downside
Carry out signal control.
As the second embodiment of the present invention, referring to Fig. 2, the second substrate 22 can also be extended with side, to show as upside
Show the binding area (area Bonding) shown with downside.Here, which is bonded two flexible printed circuit board (flexible
printed circuit；FPC)28；Wherein, one of two flexible printed circuit boards 28 are connected to an integrated circuit (IC), with right
Upside display carries out signal control；And two the another of flexible printed circuit board 28 are connected to another integrated circuit (IC), with right
Downside display carries out signal control.
With continued reference to Fig. 1, the first backlight module 10 includes the first light guide plate 11, first choice sexual reflex element 12 and the
One light source 13.
First light guide plate 11 includes：First light-emitting surface 111 and the first light incident sides on the right side of the first light-emitting surface 111
112；Wherein, the first light-emitting surface 111 is arranged in face of first substrate 21.It should be understood that the first light incident sides 112 may be alternatively located at
The left side of first light-emitting surface 111.
First light source 13 is arranged adjacent to the first light incident sides 112.First choice sexual reflex element 12 is set to the first light
Between source 13 and the first light incident sides 112.The light that first light source 13 is emitted reaches the by first choice sexual reflex element 12
One light incident sides 112；Wherein, first choice sexual reflex element 12 is reflected for selective transmission P light (i.e. the first polarised light)
Light in addition to P light.
P light is emitted on first substrate 21 after entering in the first light guide plate 11 by the first light-emitting surface 111, later, via the
The second reflecting layer 25 reflection on two substrates 22, in this way, phase delay, vibration side has occurred in P light after liquid crystal layer twice
To 90 ° of transformation, to form S light.Since the extinction axis direction of the first polaroid 40 is identical as the polarization direction of P light, i.e., first
The light transmission axis direction of polaroid 40 is identical as the polarization direction of S light, therefore the S light formed can pass through the first polaroid 40 and go out
It penetrates, so that double face display panel 20 be made to realize the reflective display in upside, the 20 white state of upside Display Realization of double face display panel at this time
Working method.
However, polarization direction is constant, continues as first when there is no phase delays after liquid crystal layer twice for P light
Polarised light (i.e. P light), first polarised light cannot be emitted by the first polaroid 40, at this time 20 upside of double face display panel
The black state working method of Display Realization.
In the present embodiment, first choice sexual reflex element 12 may include the first basement membrane, the second basement membrane and polarization unit,
The polarization unit is arranged between the first basement membrane and the second basement membrane and is situated between by the several hundred isotropism with high birefringence characteristic
Matter and anisotropic medium are made, so that the P light component of incident light is transmitted and reflected the S light component of incident light.First
Basement membrane and the second basement membrane are hyaline membranes, they can be by polyester (PET), polymethyl methacrylate (PMMA), polycarbonate
(PC) etc. it is made.
Second backlight module 30 includes the second light guide plate 31, the second selective reflecting element 32 and second light source 33.
Second light guide plate 31 includes：Second light-emitting surface 311 and the second light incident sides on the right side of the second light-emitting surface 311
312；Wherein, the second light-emitting surface 311 is arranged in face of the second substrate 22.It should be understood that the second light incident sides 312 may be alternatively located at
The left side of second light-emitting surface 311.
First light incident sides 112 and the second light incident sides 312 can be located at the not ipsilateral of respective light-emitting surface.That is,
As the third embodiment of the present invention, as shown in figure 3, the first light incident sides 112 are located at the right side of the first light-emitting surface 111, and
Two light incident sides 312 are located at the left side of the second light-emitting surface 311.It should be noted that in the present invention, the first light incident sides 112
It may be additionally located at the left side of the first light-emitting surface 111, and the second light incident sides 312 can be located at the right side of the second light-emitting surface 311.
Second light source 33 is arranged adjacent to the second light incident sides 312.Second selective reflecting element 32 is set to the second light
Between source 33 and the second light incident sides 312.The light that second light source 33 is emitted reaches the by the second selective reflecting element 32
Two light incident sides 312；Wherein, the second selective reflecting element 32 is reflected for selective transmission S light (i.e. the second polarised light)
Light in addition to S light.
S light is emitted in the second substrate 22 after entering in the second light guide plate 31 by the second light-emitting surface 311, later, via the
The first reflecting layer 24 reflection on one substrate 21, in this way, phase delay, vibration side has occurred in S light after liquid crystal layer twice
To 90 ° of transformation, to form P light.Since the extinction axis direction of the second polaroid 50 is identical as the polarization direction of S light, i.e., second
The light transmission axis direction of polaroid 50 is identical as the polarization direction of P light, therefore the P light formed can pass through the second polaroid 50 and go out
It penetrates, so that double face display panel 20 be made to realize the reflective display in downside, the 20 white state of downside Display Realization of double face display panel at this time
Working method.
However, polarization direction is constant, continues as second when there is no phase delays after liquid crystal layer twice for S light
Polarised light (i.e. S light), second polarised light cannot be emitted by the second polaroid 50, at this time 20 downside of double face display panel
The black state working method of Display Realization.
In this way, the light that the first side is shown and second side is shown all passes through (the i.e. each color color blocking of display unit 23 twice
Layer), so that the picture that picture and second side that the first side is shown are shown all has the optics such as consistent chromaticity coordinates, color saturation special
Property.
In the present embodiment, the group of the constituent of the second selective reflecting element 32 and first choice sexual reflex element 12
It is identical at ingredient, i.e., by 12 vertical rotary of first choice sexual reflex element (being rotated by 90 °), so that it may as the second selectivity
Reflecting element 32 uses.
In addition, in the present embodiment, the first backlight module 10 and the second backlight module 30 respectively include a light source, but this
Invention is not restricted to this, for example, it is also possible to be selected simultaneously to first choice sexual reflex element 12 and second using the same light source
Select 32 emergent light of sexual reflex element.
As another embodiment of this law invention, double-side display device can not include the first backlight module 10 and second
Backlight module 30.That is, double-side display device only includes double face display panel 20, wherein the double face display panel 20 utilizes environment
Light carries out double-sided reflecting formula and shows.For example, the double face display panel 20 can use the equal stronger place of environment light outdoors.
As another embodiment of the invention, double-side display device can only include the first backlight module 10 or the second back
Optical module 30.Wherein, the display side with backlight module can be used for the weaker place of environment light, without the aobvious of backlight module
Show that side can be used for the stronger place of environment light, such as the double face display panel 20 can be with indoors, wherein with backlight module
Show the side region more dark towards environment, the display side without backlight module can be more bright towards environment such as light
Region.
Fig. 4 is the structural schematic diagram of the double-side display device of fourth embodiment according to the present invention.
Referring to Fig. 4, unlike first embodiment shown in FIG. 1：Double face display panel 20 further includes：It is set to first
Substrate 21 is towards the clear area 29 on the surface of the second substrate 22 and between display unit 23.In the present embodiment, show
Two clear areas 29 are gone out, wherein each clear area 29 can be set between two display units 23 of arbitrary neighborhood；But this
Invention is not restricted to this, for example, may include more clear areas 29 in the present invention；Wherein, each clear area 29 can be set
It sets between two display units 23 of corresponding arbitrary neighborhood.
It should be noted that display with double faces can be improved to two-side transparent display；Wherein, clear area can have
White color blocking or colourless color blocking etc. can be evenly distributed on double-side display device according to one or more sub-pixel size
In.Clear area is also possible to the figure being uniformly distributed in double-side display device of any connection together.Wherein Fig. 4 is described
Clear area is that sub-pixel size is evenly distributed in double-side display device.Clear area can be when pellucidity is presented according to reflection
Type display device display pattern makes clear area liquid crystal be applied mesomorphic state to be also possible to not apply voltage status, as long as making ring
Border light can be penetrated from top and bottom.
In addition, first substrate 21 is anti-towards with respect to place being not provided with first with clear area 29 on the surface of the second substrate 22
Penetrate layer 24；Similarly, the second substrate 22 is not provided with second with respect to place with clear area 29 towards on the surface of first substrate 21
Reflecting layer 25.
In the present embodiment, clear area 29 can be a blank spaces region.It is further possible in the blank spaces
Area filling forms flatness layer (OC layers), or in transparent photoresist of blank spaces area filling etc..
The setting of clear area 29 can make double face display panel 20 form preferable transparence display effect, to expand
Application scenarios.
In conclusion each embodiment according to the present invention, forms the double-sided display that dual reflective is shown using two substrates
Production cost can be greatly lowered compared with prior art in panel, and is conducive to develop towards lightening direction.
Although the present invention has shown and described referring to specific embodiment, it should be appreciated by those skilled in the art that：
In the case where not departing from the spirit and scope of the present invention being defined by the claims and their equivalents, can carry out herein form and
Various change in details.
Claims (8)
1. a kind of double face display panel, which is characterized in that including：
The first substrate (21) and the second substrate (22) being oppositely arranged；
Multiple photoresist units (23), array arrangement the first substrate (21) towards the surface of the second substrate (22) it
On；
Multiple first reflecting layer (24) are intervally arranged between the first substrate (21) and the multiple photoresist unit (23)；
Multiple second reflecting layer (25), be intervally arranged the second substrate (22) towards the surface of the first substrate (21) it
On；
Clear area (29) is set to the first substrate (21) towards on the surface of the second substrate (22) and being located at described
Between photoresist unit (23)；
Wherein, each second reflecting layer (25) corresponds to the interval between two adjacent the first reflecting layer (24), and described
Clear area (29) is not opposite with first reflecting layer (24) and second reflecting layer (25) respectively.
2. double face display panel according to claim 1, which is characterized in that the corresponding light of each first reflecting layer (24)
It hinders unit (23), and the corresponding photoresist unit (23) in each second reflecting layer (25).
3. according to right to go to 1 or 2 described in double face display panel, which is characterized in that the photoresist unit (23) includes：It is red
Sub-light hinders unit and/or green sub-light resistance unit and/or blue sub-light resistance unit and/or white sub-light hinders unit.
4. double face display panel according to claim 3, which is characterized in that the double face display panel further includes：
The first substrate (21) is set to towards on the surface of the second substrate (22) and being located at each photoresist unit (23)
Between the first black matrix" (26), and
The second substrate (22) is set to towards on the surface of the first substrate (21) and being located at each photoresist unit (23)
Between the second black matrix" (27).
5. a kind of double-side display device, which is characterized in that including the first backlight module (10) and the second backlight mould being oppositely arranged
Block (30) and the double face display panel being set between first backlight module (10) and second backlight module (30)
(20)；
First backlight module (10) provides the first polarised light and gives the double face display panel (20), second backlight module
(30) provide the second polarised light give the double face display panel (20), wherein the polarization direction of first polarised light with it is described
The polarization direction of second polarised light is vertical；
Wherein, the double face display panel (20) is the described in any item double face display panels of Claims 1-4.
6. double-side display device according to claim 5, which is characterized in that first backlight module (10) includes：
First light guide plate (11) enters light with the first light-emitting surface (111) and positioned at the first of the first light-emitting surface (111) side
Side (112), first light-emitting surface (111) and the first substrate (21) of the double face display panel (20) are oppositely arranged；
First choice sexual reflex element (12) is arranged adjacent to first light incident sides (112), for transmiting described first partially
Shake the light of light and reflection in addition to first polarised light.
7. double-side display device according to claim 5 or 6, which is characterized in that second backlight module (30) includes：
Second light guide plate (31) enters light with the second light-emitting surface (311) and positioned at the second of the second light-emitting surface (311) side
Side (312), second light-emitting surface (311) and the second substrate (22) of the double face display panel (20) are oppositely arranged；
Second selective reflecting element (32) is arranged adjacent to second light incident sides (312), for transmiting described second partially
Shake the light of light and reflection in addition to second polarised light.
8. double-side display device according to claim 5, which is characterized in that the double-side display device further includes：
First polaroid (40), be set to first backlight module (10) backwards to the double face display panel (20) surface it
On；
Second polaroid (50), be set to second backlight module (30) backwards to the double face display panel (20) surface it
On；
Wherein, the extinction axis direction of first polaroid (40) is identical as the polarization direction of first polarised light, and described
The extinction axis direction of two polaroids (50) is identical as the polarization direction of second polarised light.
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| CN201511021725.XA CN105467658B (en) | 2015-12-30 | 2015-12-30 | Double face display panel and double-side display device |
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| CN105467658B true CN105467658B (en) | 2018-11-23 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255888A (en) * | 2017-08-03 | 2017-10-17 | 深圳市华星光电技术有限公司 | Double face display panel and display device |
| CN108776404A (en) * | 2018-06-29 | 2018-11-09 | 深圳市华星光电技术有限公司 | Two-sided liquid crystal display panel, display with double faces |
| CN108803112A (en) * | 2018-06-29 | 2018-11-13 | 深圳市华星光电技术有限公司 | Two-sided liquid crystal display panel, display with double faces |
| CN110267182B (en) * | 2019-06-17 | 2020-09-01 | 武汉华星光电技术有限公司 | Screen sound production display device |
| US11300838B1 (en) * | 2020-11-18 | 2022-04-12 | Innolux Corporation | Transparent display |
| CN113238401B (en) * | 2021-05-08 | 2023-02-28 | 京东方科技集团股份有限公司 | Display module and display device |
| CN113741087B (en) * | 2021-08-31 | 2022-09-02 | 惠科股份有限公司 | Double-sided display panel |
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