CN205750202U - A kind of substrate and display device - Google Patents
A kind of substrate and display device Download PDFInfo
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- CN205750202U CN205750202U CN201620642154.5U CN201620642154U CN205750202U CN 205750202 U CN205750202 U CN 205750202U CN 201620642154 U CN201620642154 U CN 201620642154U CN 205750202 U CN205750202 U CN 205750202U
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- 239000000758 substrate Substances 0.000 title claims abstract description 130
- 230000010287 polarization Effects 0.000 claims abstract description 90
- 238000000034 method Methods 0.000 claims abstract description 4
- 239000010408 film Substances 0.000 claims description 61
- 239000004973 liquid crystal related substance Substances 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 6
- 239000010409 thin film Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The utility model discloses a kind of substrate and display device, belong to Display Technique field.Described substrate includes: underlay substrate and structure of polarized light；Structure of polarized light is positioned on underlay substrate；The directional light injected at a certain angle from the side of underlay substrate sequentially passes through underlay substrate and structure of polarized light, obtains score polarized light, and the polarization direction of score polarized light is vertical with the polarization direction of the upper polarizer on color membrane substrates.This utility model, by arranging structure of polarized light on underlay substrate, is filtering out score polarized light in the light of structure of polarized light, can save the structure of lower polaroid and backlight module, simplifying the structure of display device.
Description
Technical Field
The utility model relates to a show technical field, in particular to base plate, display panel and display device.
Background
The display device has the characteristics of small volume, no radiation and the like, and is dominant in the current flat panel display market.
The existing display device comprises a backlight module and a display module, wherein the backlight module and the display module are arranged in an overlapping mode. The display module is sequentially provided with an array substrate, a liquid crystal layer and a color film substrate from one side close to the backlight module, wherein one side of the array substrate close to the backlight module is provided with a lower polarizer, one side of the color film substrate far away from the liquid crystal layer is provided with an upper polarizer, and the polarization directions of the upper polarizer and the lower polarizer are mutually vertical. When the display device displays a picture, light emitted by the backlight module firstly passes through the lower polarizer to form linearly polarized light with the same polarization direction as that of the lower polarizer, when the linearly polarized light passes through the liquid crystal layer, the liquid crystal layer enables the linearly polarized light to have the same polarization direction as that of the upper polarizer, and the polarized light penetrates through the upper polarizer again to realize picture display of the display device.
In the process of implementing the present invention, the inventor finds that the prior art has at least the following problems:
a backlight module is required to be disposed for the display device, so that light emitted from the backlight module enters the display module through the lower polarizer of the array substrate, and the backlight module is composed of a plurality of components such as a light source, a light guide plate, a reflector and an optical film, so that the structure of the display device is complex.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the display device structure that exists is complicated among the prior art, on the one hand, the embodiment of the utility model provides a substrate, the substrate includes: a substrate base plate and a polarization structure;
the polarizing structure is positioned on the substrate base plate;
parallel light incident from the side face of the substrate base plate at a certain angle sequentially passes through the substrate base plate and the polarization structure to obtain target linearly polarized light, and the polarization direction of the target linearly polarized light is perpendicular to the polarization direction of an upper polarizing film on the color film base plate.
Optionally, the parallel light incident to the side surface of the substrate base plate is a first light, the first light is incident to the polarization structure at an incident angle α, and the light refracted by the polarization structure is the target linearly polarized light, where α ═ arctan (n/n) 0)，n0Is the refractive index of the substrate, n is the refractive index of the polarized light structure, n0＜n。
Optionally, the polarizing structure includes m layers of films stacked in sequence, where m is an integer greater than 2;
the first light ray transmitted in the ith layer of film is at an incident angle alphaiIncident on the i +1 th film, alphai＝arctan(ni+1/ni)，ni+1Is the refractive index of the (i + 1) th film, niIs the refractive index of the ith thin film, i is an integer greater than or equal to 1 and less than m, ni＜ni+1。
Optionally, the polarization structure is disposed on a side of the substrate close to the liquid crystal layer.
Optionally, the substrate further comprises a first reflective layer disposed on a side of the substrate away from the liquid crystal layer;
when the first light is incident to the polarized structure at an incident angle alpha, part of the light is reflected on the polarized structure to form first reflected light, the first reflected light is reflected by the first reflecting layer to form second reflected light, the second reflected light is incident to the polarized structure at the incident angle alpha, and the light refracted from the polarized structure is the target linearly polarized light.
Optionally, the polarizing structure is arranged with a plurality of transistors in an array on a side thereof close to the liquid crystal layer.
Optionally, the polarization structure is arranged on one side of the substrate away from the liquid crystal layer; accordingly, the method can be used for solving the problems that,
the substrate further comprises a second reflecting layer, and the second reflecting layer is arranged on one side, far away from the substrate, of the polarization structure; the second reflecting layer is used for reflecting the linearly polarized light transmitted in the polarized light structure to obtain third reflected light;
and the third reflected light is incident to the polarized light structure, and the light refracted from the polarized light structure is the target linearly polarized light.
Optionally, when the first light ray is incident to the polarization structure at an incident angle α, a part of the light ray is reflected on the polarization structure to the liquid crystal layer.
Optionally, the material of the film is glass.
Optionally, m is 8, 9, 10 or 11.
On the other hand, the embodiment of the utility model provides a display device, display device includes the base plate.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is:
the substrate base plate of the base plate is provided with the polarization structure, so that light forms target linearly polarized light after passing through the substrate base plate provided with the polarization structure, and the polarization direction of the target linearly polarized light is perpendicular to the polarization direction of the upper polarizing plate of the display device.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic cross-sectional structure diagram of a substrate according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structure diagram of a substrate according to a second embodiment of the present invention;
fig. 3 is a schematic cross-sectional structure diagram of a display panel according to a third embodiment of the present invention;
fig. 4 is a schematic cross-sectional structure diagram of a display panel according to a third embodiment of the present invention.
Wherein,
1 a substrate base plate; 2, a polarizing structure; 3, a light source; 4, target linearly polarized light;
5 a first reflective layer; 6 first reflected light; 7 second reflected light; 8 a second reflective layer;
9 a color film substrate; 10 a liquid crystal layer; 11 an upper polarizer; 12 shows the film layer;
a1 st film, B2 nd film, C3 rd film.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Example one
In order to solve the problem of complex structure of the display device in the prior art, as shown in fig. 1, an embodiment of the present invention provides a substrate, which includes a substrate 1 and a polarization structure;
the polarizing structure 2 is positioned on the substrate 1;
parallel light incident from the side surface of the substrate 1 at a certain angle sequentially passes through the substrate 1 and the polarization structure 2 to obtain target linearly polarized light 4, and the polarization direction of the target linearly polarized light 4 is perpendicular to the polarization direction of an upper polarizing film on the color film substrate.
As shown in fig. 1, in the embodiment of the present invention, at least one light source 3 may be disposed on a side surface of the substrate 1, the at least one light source 3 may emit a plurality of linear lights, the plurality of linear lights are parallel to each other, and the plurality of parallel lights are incident from the side surface of the substrate 1. At least one light source 3 can be adhered to the side surface of the substrate base plate 1 or fixed on the side surface of the substrate base plate 1 in other modes, parallel light which enters from the side surface of the substrate base plate 1 at a certain angle passes through the polarization structure 2 to obtain target linear polarization light 4, the target linear polarization light 4 enters a liquid crystal layer of the display device, when voltage is applied to the display device, liquid crystal molecules in the liquid crystal layer are twisted, the polarization direction of the target linear polarization light 4 is the same as the polarization direction of an upper polarization plate of the display device, the target linear polarization light 4 is made to penetrate through the upper polarization plate, and image display of the display device is achieved.
The embodiment of the utility model provides an in, through set up polarisation structure 2 on the substrate base plate 1 at the base plate, make light form target linear polarization 4 behind the substrate base plate 1 that is equipped with polarisation structure 2, this target linear polarization 4's direction of polarization is perpendicular with the direction of polarization of display device's last polaroid, consequently uses the display device of this base plate preparation can save down polaroid and backlight unit's structure, has retrencied display device's structure when guaranteeing that display device can normally show the picture.
As shown in fig. 1, in the embodiment of the present invention, the polarization structure 2 is disposed on one side of the substrate 1 close to the liquid crystal layer.
In the embodiment of the present invention, the light beam incident from at least one light source 3 into the substrate base plate 1 is the first light beam, the first light beam is incident to the polarized light structure 2 by the incident angle α, the light beam refracted by the polarized light structure 2 is the target linearly polarized light 4, wherein α ═ arctan (n/n)0)，n0Is the refractive index of the substrate 1, n is the refractive index of the polarizing structure 2, n0< n. arctan represents the arctangent in an inverse trigonometric function.
As shown in fig. 1, in the embodiment of the present invention, the light emitted from at least one light source 3 is parallel light, the light emitted from at least one light source 3 is the first light, the first light is incident on the side surface of the substrate 1 near the liquid crystal layer, and is incident on the polarized light structure 2 at the incident angle α, which is brewster's angle, and satisfies brewster's law, so that the light emitted from the polarized light structure 2 is the target linear polarized light 4.
In the embodiment of the present invention, the principle of emitting the target linearly polarized light 4 from the polarized light structure 2 may be as follows:
as shown in FIG. 1, the polarizing structure 2 comprises m films stacked in sequence, wherein m is an integer greater than 2, and the first light ray transmitted in the ith film is at an incident angle αiIncident on the i +1 th film, alphai＝arctan(ni+1/ni)，ni+1Is the refractive index of the (i + 1) th film, niIs the refractive index of the ith film, i is an integer greater than or equal to 1 and less than m, ni＜ni+1。
According to the Brewster principle, when natural light is at Brewster's angle alpha0When incident from medium 1 to medium 2, the refracted light is partially polarized light, brewster's angle α0Refractive index n with medium 1Medium 1Refractive index n of medium 2Medium 2Satisfies the relation alpha0＝arctan(nMedium 2/nMedium 1)，nMedium 1＜nMedium 2。
In the embodiment of the present invention, the first light ray is incident from the substrate base plate 1 to the 1 st layer film a of the polarization structure 2 at an incident angle α, and the refracted light ray of the first light ray enters into the 1 st layer film a, where α ═ arctan (n ═ arctan) (n)1/n0)，n0Is the refractive index of the substrate 1, n1Is the refractive index of the 1 st film A, n0＜n1，α、n0And n1The Brewster's law is satisfied, so that the first light transmitted in the 1 st layer of film A is partially polarized light; the first light ray transmitted in the 1 st layer film A is at an incident angle alpha 1Incident to the 2 nd layer film B, the refracted light of the first light ray transmitted in the 1 st layer film A enters the 2 nd layer film B, wherein alpha is1＝arctan(n2/n1)，n2Is the refractive index of the 2 nd film B, n1＜n2，α1、n1And n2The Brewster's law is also satisfied, so that the first light transmitted in the layer 1 film A, which is partially polarized light, is screened again; the first light ray transmitted in the 2 nd layer film B is at an incident angle alpha2Incident to the 3 rd layer film C, the refracted light of the first light ray transmitted in the 2 nd layer film B enters the 3 rd layer film C, wherein alpha is2＝arctan(n3/n2)，n3Is the refractive index of the 3 rd film C, n2＜n3，α2、n2And n3Also satisfy brewster's law, so, when every layer of film through polarisation structure 2, all can carry out a screening to first light, repeated description no longer here in the utility model discloses an in figure 1, only drawn 3 layers of film to do not represent the number of piles of film in the actual design process, the light that finally refracts from the mth layer film is the linearly polarized light, and the direction of polarization of this linearly polarized light is perpendicular with the direction of polarization of last polaroid, for target linearly polarized light 4.
Preferably, in the embodiment of the present invention, the polarization structure 2 may include 8, 9, 10, or 11 layers of films.
Preferably, in the embodiment of the present invention, the material of the film may be glass.
As shown in fig. 1, in the embodiment of the present invention, the substrate further includes a first reflective layer 5, and the first reflective layer 5 is disposed on a side of the substrate 1 away from the liquid crystal layer;
when a first light ray is incident on the polarizing structure 2 at an incident angle α, the refracted light ray of the first light ray enters the polarizing structure 2, a part of the light ray is reflected on the polarizing structure 2 to form a first reflected light 6, the first reflected light 6 is reflected by the first reflecting layer 5 to form a second reflected light 7, the second reflected light 7 is incident on the polarizing structure 2 at the incident angle α, and the light ray refracted from the polarizing structure 2 is the target linearly polarized light 4.
According to the brewster principle, when natural light enters the medium 2 from the medium 1 at the brewster angle, the refracted light is partially polarized light, and the reflected light is linearly polarized light, so the first reflected light 6 is linearly polarized light, but the second reflected light 7 formed by reflection by the first reflective layer 5 becomes partially polarized light, and the second reflected light 7 enters the 1 st layer film a of the polarizing structure 2 at the incident angle α, where α is arctan (n ═ arctan) (n is a linear polarization of the light)1/n0)，n0Is the refractive index of the substrate 1, n1Is the refractive index of the 1 st film A, n0＜n1，α、n0And n1The Brewster's law is satisfied, and the refracted light of the second reflected light 7 passes through the layer-by-layer screening of the m layers of thin films in the polarized light structure 2, so that the light emitted from the polarized light structure 2 is the target linearly polarized light 4.
Meanwhile, part of the second reflected light 7 forms reflected light on the polarization structure 2, and the reflected light is reflected by the first reflection layer 5, enters the polarization structure 2 as α, and refracts the target linearly polarized light 4 after passing through the polarization structure 2, which is not described again.
In the embodiment of the present invention, the material of the first reflective layer 5 may be aluminum or silver, etc. with strong light reflecting ability.
In the embodiment of the utility model, because polarisation structure 2 includes the multilayer film, when first light transmits in polarisation structure 2, also can produce reflection light at the interface of per two adjacent films, this reflection light can follow polarisation structure 2 internal reflection to substrate base plate 1 in, through 5 reflections of first reflection stratum on substrate base plate 1 incidenting to polarisation structure 2 with angle alpha again, through polarisation structure 2 screening target linear polarization 4 for the utilization ratio of light is higher.
The embodiment of the utility model provides an in, can also be equipped with a plurality of transistors that the array was arranged on one side that polarisation structure 2 is close the liquid crystal layer, the base plate at this moment is array substrate.
In the embodiment of the present invention, a first reflection pattern is formed between each transistor and the polarization structure 2, and the projection area of each transistor on the polarization structure 2 coincides with the projection area of the first reflection pattern corresponding to the transistor on the polarization structure 2.
The embodiment of the utility model provides an in, first reflection pattern can play the effect on black matrix layer among the prior art, can shelter from light incident on the transistor, simultaneously, light in the polarisation structure 2 can be reflected back to substrate base plate 1 when incidenting to on the first reflection pattern, the reflection of first reflection stratum 5 on substrate base plate 1 gets into in the polarisation structure 2 again and screens and obtain target linear polarization 4, so not only can save the black matrix layer, can also further improve the utilization ratio of light.
In the embodiment of the present invention, the material of the first reflective pattern may be aluminum or silver, which has a strong light reflecting ability.
In the embodiment of the present invention, by arranging at least one light source 3 and the polarizing structure 2 on the substrate base plate 1 of the base plate, the light of the at least one light source 3 forms the target linearly polarized light 4 after passing through the polarizing structure 2, and the polarization direction of the target linearly polarized light 4 is perpendicular to the polarization direction of the upper polarizer of the display device, so the display device manufactured by using the base plate can omit the structures of the lower polarizer and the backlight module, the structure of the display device is simplified while ensuring that the display device can normally display the picture, meanwhile, the substrate base plate 1 is further provided with the first reflective layer 5, the first reflective layer 5 can reflect the reflected light generated on the polarizing structure 2 back into the polarizing structure 2 again, thereby improving the utilization rate of the light, if the base plate is an array base plate, the first reflective pattern can be arranged on the polarizing structure 2, the first reflective pattern not only can shield the light from being incident on the transistor, meanwhile, the shielded light can be reflected again, so that the light can be recycled, and the utilization rate of the light is further improved.
Example two
As shown in fig. 2, in the embodiment of the present invention, the base plate also includes a substrate base plate 1 and a polarization structure 2,
the polarizing structure 2 is positioned on the substrate 1;
parallel light incident from the side surface of the substrate 1 at a certain angle sequentially passes through the substrate 1 and the polarization structure 2 to obtain target linearly polarized light 4, and the polarization direction of the target linearly polarized light 4 is perpendicular to the polarization direction of an upper polarizing film on the color film substrate.
In the embodiment of the present invention, the polarization structure 2 is disposed on one side of the substrate base plate 1 away from the liquid crystal layer, and meanwhile, the substrate further includes a second reflective layer 8, the second reflective layer 8 is disposed on one side of the polarization structure 2 away from the substrate base plate 1; the second reflecting layer 8 is used for reflecting the linearly polarized light transmitted in the polarizing structure 2 to obtain third reflected light;
the third reflected light enters the polarization structure 2, and the light refracted from the polarization structure 2 is the target linearly polarized light 4.
As shown in fig. 2, in the embodiment of the present invention, at least one light source 3 may be disposed on the side surface of the substrate base plate 1, the at least one light source 3 may emit a plurality of linear lights, and the plurality of linear lights are parallel to each other, and the plurality of linear lights parallel to each other are incident from the side surface of the substrate base plate 1. Parallel light rays incident from the side surface of the substrate base plate 1 at a certain angle are first light rays incident On the side of the substrate 1 facing away from the liquid crystal layer, and is incident on the polarization structure 2 at an angle of incidence α, α ═ arctan (n/n)0)，n0Is the refractive index of the substrate 1, n is the refractive index of the polarizing structure 2, n0N, satisfying the brewster's law, according to the brewster's principle, when the natural light is incident from the medium 1 to the medium 2 at the brewster angle, the reflected light is linearly polarized light, therefore, the reflected light generated by the first light incident to the polarization structure 2 at the incident angle α at the polarization structure 2 is linearly polarized light, and the polarization direction of the linearly polarized light is perpendicular to the polarization direction of the upper polarizer and is the target linearly polarized light 4.
Meanwhile, according to the brewster principle, when natural light enters the medium 2 from the medium 1 at the brewster angle, the refracted light is partially polarized light, so that the refracted light of the first light is repeatedly screened by the m layers of films in the polarization structure 2 to obtain linearly polarized light, the linearly polarized light is reflected by the second reflection layer 8 to become partially polarized light, and the partially polarized light enters the polarization structure 2 again to be repeatedly screened to emit target linearly polarized light 4.
In the embodiment of the present invention, the material of the second reflective layer 8 may be aluminum or silver, etc. with strong light reflecting ability.
In the embodiment of the present invention, the principle of emitting the target linearly polarized light 4 from the polarization structure 2 is the same as that of the first embodiment, and the description is not repeated here.
The embodiment of the present invention provides an array substrate, wherein the substrate is provided with a second reflective pattern arranged in an array on one side of the substrate 1 close to the liquid crystal layer, and a transistor is formed on each second reflective pattern.
In the embodiment of the present invention, the projection area of each transistor on the substrate base plate 1 coincides with the projection area of the second reflection pattern corresponding thereto on the substrate base plate 1.
The second reflection pattern can play the effect of black matrix layer among the prior art, can shelter from light and incide on the transistor, simultaneously, the light of inciding on the second reflection pattern can be reflected back substrate 1, reflects and refracts on polarisation structure 2 again, obtains target linear polarization 4, so not only can save the black matrix layer, can also further improve the utilization ratio of light.
In the embodiment of the present invention, by arranging the polarized light structure 2 on the substrate base plate 1 of the base plate, the light forms the target linearly polarized light 4 after passing through the polarized light structure 2, the polarization direction of the target linearly polarized light 4 is perpendicular to the polarization direction of the upper polarizer of the display device, so the display device manufactured by using the base plate can omit the structures of the polarizer and the backlight module, the structure of the display device is simplified while ensuring that the display device can normally display the picture, meanwhile, the substrate base plate 1 is also provided with the second reflection layer 8, the second reflection layer 8 can reflect the light passing through the polarized light structure 2 back into the polarized light structure 2, the utilization rate of the light is improved, if the base plate is an array base plate, the substrate base plate 1 can be provided with the second reflection pattern, the second reflection pattern can not only block the light from being incident on the transistor, but also can reflect the blocked light again, so that the light can be repeatedly utilized and the utilization rate of the light is further improved.
EXAMPLE III
An embodiment of the present invention provides a display panel, for example, a liquid crystal display panel, including the substrate described in the first embodiment or the second embodiment.
As shown in fig. 3, the display panel includes the substrate described in the first embodiment, where the substrate may be an array substrate, and at this time, the display panel further includes a color filter substrate 9, a liquid crystal layer 10 located between the substrate and the color filter substrate 9, an upper polarizer 11 is disposed on a side of the color filter substrate 9 away from the liquid crystal layer 10, a display film layer 12 is disposed on a side of the polarization layer 2 of the substrate close to the liquid crystal layer 10, and the display film layer 12 includes each film layer of a transistor, a pixel electrode layer, and the like.
As shown in fig. 4, the display panel includes the substrate described in the second embodiment, where the substrate may be an array substrate, and at this time, the display panel further includes a color filter substrate 9 and a liquid crystal layer 10 located between the substrate and the color filter substrate 9, an upper polarizer 11 is disposed on a side of the color filter substrate 9 away from the liquid crystal layer 10, a display film layer 12 is disposed on a side of the substrate 1 of the substrate close to the liquid crystal layer 10, and the display film layer 12 includes each film layer of a transistor, a pixel electrode layer, and the like.
The utility model discloses among the display panel, through set up polarisation structure 2 on the substrate base plate 1 at the base plate, make light form target linear polarization 4 behind the substrate base plate 1 that is equipped with polarisation structure 2, this target linear polarization 4's direction of polarization is perpendicular with display device's the direction of polarization of last polaroid, consequently, the display device who uses this display panel preparation can save down polaroid and backlight unit's structure, the structure of having retrencied display device when guaranteeing that display device can normally show the picture.
Example four
The embodiment of the utility model provides a display device, this display device can be any products or parts that have the display function such as cell-phone, panel computer, TV set, display, notebook computer, digital photo holder frame, navigator, and this display device includes the base plate of description in embodiment one or embodiment two.
The utility model discloses among the display device, through set up polarisation structure 2 on the substrate base plate 1 at the base plate, make light form target linear polarization 4 behind the substrate base plate 1 that is equipped with polarisation structure 2, this target linear polarization 4's direction of polarization is perpendicular with the direction of polarization of display device's last polaroid, consequently this display device can save down polaroid and backlight unit's structure, has retrencied display device's structure when guaranteeing that display device can normally show the picture.
The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (11)
1. A substrate, comprising: a substrate base plate and a polarization structure;
the polarizing structure is positioned on the substrate base plate;
parallel light incident from the side face of the substrate base plate at a certain angle sequentially passes through the substrate base plate and the polarization structure to obtain target linearly polarized light, and the polarization direction of the target linearly polarized light is perpendicular to the polarization direction of an upper polarizing film on the color film base plate.
2. The substrate according to claim 1, wherein the parallel light incident on the side of the substrate is a first light, the first light is incident on the polarization structure at an incident angle α, and the light refracted by the polarization structure is the target linearly polarized light, wherein α ═ arctan (n/n)0)，n0Is the refractive index of the substrate, n is the refractive index of the polarized light structure, n0＜n。
3. The substrate of claim 2,
the polarizing structure comprises m layers of films which are sequentially superposed, wherein m is an integer larger than 2;
the first light ray transmitted in the ith layer of film is at an incident angle alphaiIncident on the i +1 th film, alphai＝arctan(ni+1/ni)，ni+1Is the refractive index of the (i + 1) th film, niIs the refractive index of the ith thin film, i is an integer greater than or equal to 1 and less than m, n i＜ni+1。
4. The substrate of claim 2,
the polarized light structure is arranged on one side of the substrate close to the liquid crystal layer.
5. The substrate according to claim 4, further comprising a first reflective layer disposed on a side of the substrate away from the liquid crystal layer;
when the first light is incident to the polarized structure at an incident angle alpha, part of the light is reflected on the polarized structure to form first reflected light, the first reflected light is reflected by the first reflecting layer to form second reflected light, the second reflected light is incident to the polarized structure at the incident angle alpha, and the light refracted from the polarized structure is the target linearly polarized light.
6. A substrate according to claim 4, wherein the polarizing structures are arranged in an array on a side thereof adjacent to the liquid crystal layer.
7. A substrate according to claim 2, wherein the light deflecting structure is arranged on a side of the substrate facing away from the liquid crystal layer; accordingly, the method can be used for solving the problems that,
the substrate further comprises a second reflecting layer, and the second reflecting layer is arranged on one side, far away from the substrate, of the polarization structure; the second reflecting layer is used for reflecting the linearly polarized light transmitted in the polarized light structure to obtain third reflected light;
And the third reflected light is incident to the polarized light structure, and the light refracted from the polarized light structure is the target linearly polarized light.
8. A substrate according to claim 7, wherein when the first light is incident on the polarization structure at an incident angle α, a portion of the first light is reflected on the polarization structure to the liquid crystal layer.
9. The substrate according to claim 3, wherein the material of the thin film is glass.
10. The substrate of claim 3, wherein m is 8, 9, 10, or 11.
11. A display device, characterized in that the display device comprises a substrate according to any one of claims 1-10.
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| CN201620642154.5U CN205750202U (en) | 2016-06-24 | 2016-06-24 | A kind of substrate and display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272250A (en) * | 2017-07-07 | 2017-10-20 | 上海天马微电子有限公司 | Display panel and display device |
| CN109916743A (en) * | 2019-03-21 | 2019-06-21 | 京东方科技集团股份有限公司 | Dynamic mechanical measuring device, measurement method and calculating equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272250A (en) * | 2017-07-07 | 2017-10-20 | 上海天马微电子有限公司 | Display panel and display device |
| CN107272250B (en) * | 2017-07-07 | 2019-11-05 | 上海天马微电子有限公司 | Display panel and display device |
| CN109916743A (en) * | 2019-03-21 | 2019-06-21 | 京东方科技集团股份有限公司 | Dynamic mechanical measuring device, measurement method and calculating equipment |
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