CN101329463B - Display apparatus and liquid crystal display panel - Google Patents
Display apparatus and liquid crystal display panel Download PDFInfo
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- CN101329463B CN101329463B CN2007101101870A CN200710110187A CN101329463B CN 101329463 B CN101329463 B CN 101329463B CN 2007101101870 A CN2007101101870 A CN 2007101101870A CN 200710110187 A CN200710110187 A CN 200710110187A CN 101329463 B CN101329463 B CN 101329463B
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Abstract
The invention provides a display device which comprises a display module and a direction adjustment module, wherein, the display module emits light rays, the direction adjustment module is arranged at one side of the display module, and the light rays emitted by the display module are incident to the direction adjustment module. Accordingly, the direction adjustment module comprises a grating unit and a liquid display unit, wherein, the grating period of the grating unit and the wavelength of the light rays are at the same level.
Description
Technical field
The present invention relates to a kind of display device and display panels, more particularly, relate to a kind of display device and display panels of adjusting the light emission direction function that have.
Background technology
At present, the use of liquid crystal indicator is more and more general, and except general desktop PC display of conduct and notebook computer display, the application of liquid crystal TV set at present also develops rapidly.
Please refer to shown in Figure 1, liquid crystal indicator (Liquid Crystal Display, LCD) 1 has module 10 backlight, display panels 11, and wherein display panels 11 comprises that in regular turn Polarizer 111, thin film transistor base plate 112, liquid crystal cells 113, colored filter substrate 114 reach upward Polarizer 115 down.
With regard to said structure, module 10 backlight produces light, light passes through down in regular turn, and Polarizer 111, thin film transistor base plate 112, liquid crystal cells 113, colored filter substrate 114 reach last Polarizer 115 and penetrate, by the anglec of rotation of Control of Voltage liquid crystal cells 113, the user can watch image frame.
At present, the user is when watching liquid crystal indicator 1, no matter watch from which kind of angle, finding is all same image, yet when having user more than two to view and admire liquid crystal indicator 1 in the family, the program of might the user desiring to view and admire is also inequality, therefore how making the user of different angles can watch different images when watching liquid crystal indicator, is that problem to be solved is arranged.
Summary of the invention
Because above-mentioned problem, one of purpose of the present invention is for a kind of display device and display panels of adjusting the light emission direction function that have is provided, so that the user of different angles when watching display device, can watch different images.
Therefore, in order to achieve the above object, display device of the present invention comprises demonstration module and direction adjustment module.Wherein, show module emission light, direction is adjusted module and is arranged at a side that shows module, and the light of demonstration module emission is injected direction and adjusted module, and direction is adjusted module and is had raster unit and liquid crystal cells, and wherein the wavelength of the grating cycle of raster unit and light is same grade.
Therefore, in order to achieve the above object, display panels of the present invention, the adjacent setting of display panels with module backlight, display panels comprises LCD assembly and direction adjustment module, and LCD assembly is arranged at direction and adjusts between module and the module backlight, the light that module backlight is launched is worn and is penetrated LCD assembly and inject direction adjustment module, direction is adjusted module and is had raster unit and liquid crystal cells, and wherein the wavelength of the grating cycle of raster unit and light is same grade.
Therefore, in order to achieve the above object, display device of the present invention comprises that demonstration module and first direction are adjusted module and second direction is adjusted module.Wherein, show module emission light, and first direction is adjusted module and is arranged at a side that shows module, in addition, first direction is adjusted module and is had first raster unit and first liquid crystal cells, second direction is adjusted module and is had second raster unit and second liquid crystal cells, first direction is adjusted module and is arranged between second direction adjustment module and the demonstration module, light is worn in regular turn and is penetrated first direction adjustment module and second direction adjustment module, and wherein the wavelength of the grating cycle of first raster unit and second raster unit and light is same grade.
Therefore, in order to achieve the above object, display device of the present invention comprises display panels and module backlight, and the adjacent setting with module backlight of display panels.Wherein, display panels comprises that LCD assembly, first direction are adjusted module and second direction is adjusted module.First direction adjustment module has first raster unit and first liquid crystal cells in addition, in addition, second direction is adjusted module and is had second raster unit and second liquid crystal cells, first direction is adjusted module and is arranged between second direction adjustment module and the LCD assembly, the light of module emission backlight is worn in regular turn and is penetrated LCD assembly, first direction adjusts module and second direction is adjusted module, and wherein the wavelength of the grating cycle of first raster unit and second raster unit and light is same grade.
As mentioned above, display device of the present invention and display panels utilize direction to adjust the light emission direction that module is regulated and control display device and display panels.Compare with known technology, it is same grade that the present invention utilizes the wavelength of grating cycle and incident ray, so that the deviation direction that light produces diffraction during by grating when changing light and penetrating display device or display panels.In addition, if demonstration module displays two independent pictures in the display device, by the control of direction adjustment module, the user who is positioned at the display device different angles can watch different pictures.
Description of drawings
Fig. 1 is a kind of structural representation of known liquid crystal indicator;
Fig. 2 A and Fig. 2 B are one group of structural representations according to the display device of the present invention's first preferred embodiment;
Fig. 3 A, Fig. 3 B and Fig. 3 C are one group of structural representations according to the display device of the present invention's second preferred embodiment;
Fig. 4 A to Fig. 4 D is one group of structural representation according to the liquid crystal indicator of the present invention's the 3rd preferred embodiment; And
Fig. 5 A and Fig. 5 B are one group of structural representations according to the liquid crystal indicator of the present invention's the 4th preferred embodiment.
[description of reference numerals]
1: liquid crystal indicator 10: module backlight
11: display panels 111: following Polarizer
112: thin film transistor base plate 113: liquid crystal cells
114: colored filter substrate 115: go up Polarizer
2: display device 21: show module
211: exiting surface 22: direction is adjusted module
222: the second substrates of 221: the first substrates
223: raster unit 224: liquid crystal cells
226: the second electrodes of 225: the first electrodes
228: the second alignment films of 227: the first alignment films
3: display device 4: liquid crystal indicator
412: the second grating regions of 411: the first grating regions
Grating region 5 in 413: the three: display device
51: show module 52: first direction is adjusted module
53: second direction is adjusted 520: the three substrates of module
522: the second substrates of 521: the first substrates
524: the first liquid crystal cells of 523: the first raster units
526: the second raster units of 525: the tetrabasals
527: the second liquid crystal cells
Embodiment
Hereinafter with reference to relevant drawings, the display device and the display panels of the preferred embodiment according to the present invention is described.
Please refer to shown in Fig. 2 A and Fig. 2 B, the present invention's first preferred embodiment provides a kind of display device 2, comprise showing module 21 and direction adjustment module 22, show that wherein module 21 has exiting surface 211, show that the light of module 21 emissions is injected in the direction adjustment module 22 via exiting surface 211.
In the present embodiment, show that module 21 can be organic electroluminescent (OrganicElectro-luminescence, OEL) show module, inorganic EL (Electroluminescence, EL) show module, light emitting diode (Light Emitting Diode, LED) show module, liquid crystal display module (Liquid Crystal Display, LCD), Plasma Display module (Plasma DisplayPanel, PDP), vacuum fluorescence shows module (Vacuum Fluorescent Display, VFD), field emission show module (Field Emission Display, FED) or electrochromism show module (Electro-chromic Display) etc.
Refer again to Fig. 2 A and Fig. 2 B, the direction of present embodiment is adjusted module 22 and is arranged at a side that shows module 21 contiguous exiting surfaces 211.Wherein, direction adjustment module 22 has first substrate 221, second substrate 222, raster unit 223, liquid crystal cells 224, first electrode 225, second electrode 226, first alignment films 227 and second alignment films 228.
Wherein, first substrate 221 and second substrate 222 are oppositely arranged, and first substrate 221 can combine with demonstration module 21.Certainly, first substrate 221 be provided with the position also can near but do not contact the exiting surface 211 that shows module 21 or for showing the substrate (for example when showing that module 21 is the liquid crystal display module, first substrate 221 can be the colored filter substrate of liquid crystal display module) in the module 21.Certainly, the position and the aspect of 221 settings of first substrate can adjust according to actual demand.
The raster unit 223 of present embodiment and liquid crystal cells 224 are arranged between first substrate 221 and second substrate 222, and raster unit 223 can combine with first substrate 221.Certainly, raster unit 223 also can with first substrate 221 integrally formed (not being shown among the figure).In addition, in the present embodiment, the material of raster unit 223 can be macromolecular material, silicon dioxide (SiO
2) or any material that utilizes semiconductor technology to form periodic structure.
In Fig. 2 A and Fig. 2 B, liquid crystal cells 224 is between first substrate 221, second substrate 222 and raster unit 223, in this, first electrode 225 and second electrode 226 are arranged at surface that first substrate 221 and second substrate 222 face mutually and liquid crystal cells 224 is wherein ccontaining respectively.In the present embodiment, first electrode 225 and raster unit 223 adjacent settings, and first electrode 225 and raster unit 223 combine with first substrate 221.
In addition,, also can at first form the first comprehensive electrode 225, again raster unit 223 is arranged on first electrode 225 (not being shown among the figure) on the surface of first substrate 221 for the ease of making.
In the present embodiment, first electrode 225 and second electrode 226 are used for providing electric field to liquid crystal cells 224, make liquid crystal cells 224 produce change of refractive in order to the variation with electric field.
In addition, raster unit 223 also can combine (not being shown among the figure) with second substrate 222, at this moment, liquid crystal cells 224 is between second substrate 222 and first substrate 221 and raster unit 223, first electrode 225 and second electrode 226 are arranged at the surface that second substrate 222 and first substrate 221 are faced mutually respectively, and liquid crystal cells 224 is wherein ccontaining.Moreover raster unit 223 can be attached at second substrate 222, and certainly, raster unit 223 also can be integrally formed with second substrate 222.
In the present embodiment, first alignment films 227 and second alignment films 228 can be separately positioned on first electrode 225 and second electrode 226, and first alignment films 227 also can be arranged on the raster unit 223, so that the liquid crystal in the liquid crystal cells 224 has the unicity that equidirectional is arranged.
In the present embodiment, the grating cycle of raster unit 223 is same grade with the wavelength that shows the light that module 21 is launched, that is to say, the absolute value of the difference of the logarithm value of logarithm value in grating cycle (logarithm) and wavelength of light is less than 1 in the raster unit 223, produce diffraction when making light pass through raster unit 223 thus, the deviation direction when changing light ejaculation display device 2.
The electric field that can be subjected to first electrode 225 and second electrode 226 and provided owing to the refractive index of liquid crystal cells 224 changes and produces change, therefore, when the refractive index of liquid crystal cells 224 is adjusted into the refractive index that equals raster unit 223, injects direction and adjust the light of module 22 direction of passage of can keeping straight on and adjust module 22 (shown in Fig. 2 A); Otherwise, when the refractive index of the refractive index of liquid crystal cells 224 and raster unit 223 is inequality in fact, the light that injects direction adjustment module 22 produces deviation light (shown in Fig. 2 B) because of the influence that is subjected to diffraction when penetrating direction adjustment module 22, this moment display device 2 light emission direction different with the light emission direction among Fig. 2 A, by said method with reach the change light emission direction purpose.
In addition, the deviation angle of above-mentioned deviation light meets following equation:
θ＝sin
-1(λ/Λn)
Wherein, θ is the angle of deviation that light produces, and Λ is the grating cycle of raster unit 223, and λ is the wavelength of light, and n is the refractive index that luminous environment.
Therefore, the adjustable direction adjustment of user module 22 changes the ray refraction angle.
In addition, shown in Fig. 2 A and Fig. 2 B, raster unit 223 can comprise the column of a plurality of parallelogram, leg-of-mutton column (not being shown among the figure) or anyly have a periodic different structure.
Then, please refer to the display device 3 of the present invention's second preferred embodiment shown in Fig. 3 A, Fig. 3 B and Fig. 3 C, except first substrate 221 and 222 ccontaining macromolecular materials of second substrate and the liquid crystal cells 224 in the direction adjustment module 22, so that macromolecular material forms outside the raster unit 223, all the similar elements with first preferred embodiment is identical with function for the feature of other elements, does not repeat them here.
Between first substrate 221 and second substrate 222, enclose macromolecular material and liquid crystal material, the interference light and shade striped that utilizes two UV light to be produced again is cured (as shown in Figure 3A) to macromolecular material, make that the light intensity of macromolecular material system of Himdu logic dark fringe is different and solidify and form specific direction and have periodic raster unit 223, and liquid crystal molecule can be excluded outside the raster unit 223 of solidifying, to form liquid crystal cells 224 and wherein ccontaining, when the refractive index of liquid crystal cells 224 equals the refractive index of raster unit 223, inject direction and adjust the light of module 22 direction of passage of can keeping straight on and adjust module 22 (shown in Fig. 3 B); Otherwise, when the refractive index of the refractive index of liquid crystal cells 224 and raster unit 223 is inequality in fact, injects light that direction adjusts module 22 and when penetrating direction and adjust module 22, produce deviation light (shown in Fig. 3 C) because of the influence that is subjected to diffraction.
In the present embodiment, macromolecular material can be the NOA65 that Norland Products Inc. is produced, and its refractive index is 1.52.In addition, liquid crystal molecule can be the E7 that Merck produces, and its refractive index n 0 (with respect to the refractive index of normal light) is 1.52, and refractive index n e (with respect to the refractive index of unusual light) is 1.75.
Then, refer again to the liquid crystal indicator 4 of the present invention's the 3rd preferred embodiment shown in Fig. 4 A, Fig. 4 B and Fig. 4 C, the raster unit 223 of adjusting module 22 except direction also comprises first grating region 411 and second grating region 412, all the similar elements with first preferred embodiment is identical with function for the feature of other elements, does not repeat them here.
Shown in Fig. 4 A, when the refractive index of liquid crystal cells 224 equals raster unit 223, inject direction and adjust the light of module 22 direction of passage of can keeping straight on and adjust module 22; Otherwise, shown in Fig. 4 B, when liquid crystal cells 224 is subjected to electric field effects and when changing its refractive index, injects direction and adjust the light of module 22 when direction of passage is adjusted module 22, because of the influence that is subjected to diffraction produces deviation, thereby can change the direct of travel of light.As mentioned above, the light by first grating region 411 is penetrating the deviation light that can produce first direction when direction is adjusted module 22, and the light by second grating region 412 is penetrating the deviation light that can produce second direction when direction is adjusted module 22.
Certainly, first grating region 411 and second grating region 412 can adjust according to the actual requirements, and for example, shown in Fig. 4 C, first grating region 411 and second grating region 412 can be crisscross arranged, and this kind design can allow the user see the picture dimension of single direction.
Moreover, shown in Fig. 4 D, the raster unit 223 that direction is adjusted module 22 also can comprise the 3rd grating region 413, wherein, first grating region 411, second grating region 412 and the 3rd grating region 413 are leg-of-mutton column, and light can produce the deviation light of third direction when penetrating direction adjustment module 22 by the 3rd grating 413.In addition, if when the zone of display unit 21 corresponding first grating regions 411, second grating region 412 and the 3rd grating region 413 showed first picture, second picture and three-picture (for example first pixel region, second pixel region, the 3rd pixel region), the user who is positioned at first direction it will be appreciated that different pictures with the user who is positioned at second direction and third direction.Certainly, first grating region 411, second grating region 412 and the 3rd grating region 413 can also be crisscross arranged.
In addition, when showing that module 21 has the pixel of different colours, the raster unit 223 that direction is adjusted in the module 22 also can be adjusted with the pixel of correspondence.For example, the deviation light light extraction efficiency of adjusting 22 desires generations of module when direction is 100%, and when the deviation angle in glass is 28.13 degree (then being 45 degree after reflecting in air through glass), then the grating cycle corresponding to the raster unit 223 of ruddiness pixel (wavelength is 645nm) must be 912.17nm, and the thickness of raster unit 223 must be 15.14 μ m; And must be 777.70nm corresponding to the grating cycle of the raster unit 223 of green glow pixel (wavelength is 550nm), and the thickness of raster unit 223 must be 12.91 μ m; Moreover, must be 636.30nm corresponding to grating cycle of the raster unit 223 of blue light pixel (wavelength is 450nm), and the thickness of raster unit 223 must be 10.57 μ m.
Wherein, above-mentioned main deviation angle through the deviation light behind the diffraction meets following equation according to Kogelnik ' s principle:
η＝sin
2(πΔnd/λcosθ
inc)
Wherein, η is the optical efficiency of deviation light, and θ inc is the incident angle of light incident, and λ is the wavelength of light, and Δ n is the modulating coefficient (refractive index modulation) of raster unit refractive index.
Certainly, when the demonstration module 21 of present embodiment had different pixel region (as first pixel region and second pixel region), direction was adjusted the enforcement aspect of module 22 and also can be adjusted thereupon.
Refer again to shown in Fig. 5 A and Fig. 5 B, the present invention's the 4th preferred embodiment provides a kind of display device 5, comprise showing that module 51, first direction are adjusted module 52 and second direction is adjusted module 53 that wherein, first direction adjustment module 52 is arranged on demonstration module 51 and second direction is adjusted between the module 53.In this, show module 51 emission light, this light is worn in regular turn and is penetrated first direction adjustment module 52 and second direction adjustment module 53.
Shown in Fig. 5 A and Fig. 5 B, first direction is adjusted module 52 and is mainly comprised first substrate 521, second substrate 522, first raster unit 523, first liquid crystal cells 524, the first electrode (not shown) and the second electrode (not shown).
In addition, second direction adjustment module 53 mainly comprises the 3rd substrate 520, tetrabasal 525, second raster unit 526, second liquid crystal cells 527, third electrode (not shown) and the 4th electrode (not shown).
In the present embodiment, feature and function that the feature of first direction adjustment module 52 and second direction adjustment module 53 and the direction of the function and first preferred embodiment are adjusted module 22 are identical, also repeat no more at this.
In addition, in this preferred embodiment, second substrate 522 that first direction is adjusted module 52 combines with the 3rd substrate 520 that second direction is adjusted module 53, and certainly, the 3rd substrate 520 and second substrate 522 also can be integrally formed.
Moreover, in the present embodiment, the influence that the electric field that the influence that the electric field that the refractive index of first liquid crystal cells 524 is subjected to the first electrode (not shown) and the second electrode (not shown) and is provided changes and produce change, the refractive index of second liquid crystal cells 526 are subjected to third electrode (not shown) and the 4th electrode (not shown) and are provided changes and produce change.
Therefore, shown in Fig. 5 A, when light is worn when penetrating first direction and adjusting module 52 and second direction and adjust module 53 in regular turn, if the refractive index of first liquid crystal cells 524 equals first raster unit 523, and the refractive index of second liquid crystal cells 527 and second raster unit, 526 refractive indexes are when unequal in fact, injecting first direction adjusts the light of module 52 and can keep straight on and adjust module 51 by first direction and inject second direction and adjust module 53, then, this light produces the deviation light of first direction because of the influence that is subjected to diffraction when penetrating second direction adjustment module 53.
Otherwise, shown in Fig. 5 B, when the refractive index and first raster unit 523 of first liquid crystal cells 524 unequal in fact, and the refractive index of second liquid crystal cells 527 is when equaling second raster unit, 526 refractive indexes, inject first direction and adjust the light of module 52 produces second direction because of the influence that is subjected to diffraction when penetrating first direction adjustment module 52 deviation light, the deviation light of this second direction can directly be adjusted module 53 by second direction, thereby deviation light can be adjusted the refraction angle ejaculation that module 52 is produced according to first direction, in other words, two different pictures that utilize frequency multiplication control institute desire to show, not only can allow the user of different angles watch different pictures, and the picture that is presented in this way can be full resolution picture.
The present invention's the 5th preferred embodiment provides a kind of display panels, the adjacent setting of display panels with module backlight, and display panels comprises LCD assembly and direction adjustment module.Wherein, LCD assembly is arranged at direction and adjusts between module and the module backlight, the light that module backlight is launched is worn and is penetrated LCD assembly and inject direction adjustment module, direction is adjusted module and is had raster unit and liquid crystal cells, wherein the wavelength of the grating cycle of raster unit and light is same grade, when the refractive index of liquid crystal cells equals the refractive index of raster unit, light craspedodrome direction of passage is adjusted module, when the refractive index of liquid crystal cells was not equal to the refractive index of raster unit in fact, light penetrated the deviation light that can be subjected to the influence of light diffraction when direction is adjusted module and produce at least one direction.
In the present embodiment, LCD assembly comprises that in regular turn Polarizer, thin film transistor base plate, another liquid crystal cells, colored filter substrate reach upward Polarizer down.And direction adjustment module is identical with the feature and the function of the direction adjustment module 22 of first preferred embodiment, also repeats no more at this.
In addition, the present invention's the 6th preferred embodiment provides a kind of display panels, the adjacent setting of display panels with module backlight, and display panels comprises that LCD assembly, first direction are adjusted module and second direction is adjusted module.Wherein, first direction adjustment module has first raster unit and first liquid crystal cells.Second direction is adjusted module and is had second raster unit and second liquid crystal cells, first direction is adjusted module and is arranged between second direction adjustment module and the LCD assembly, the light of module emission backlight is worn in regular turn and is penetrated LCD assembly, first direction adjusts module and second direction is adjusted module, wherein the wavelength of the grating cycle of first raster unit and second raster unit and light is same grade, when the refractive index of first liquid crystal cells equals the refractive index of first raster unit, light can be kept straight on and be adjusted module by first direction, when the refractive index of first liquid crystal cells is not equal to the refractive index of first raster unit in fact, light is penetrating the deviation light that can be subjected to the diffraction influence when first direction is adjusted module and produce first direction, when the refractive index of second liquid crystal cells equals the refractive index of second raster unit, light can be kept straight on and be adjusted module by second direction, when the refractive index of second liquid crystal cells was not equal to the refractive index of second raster unit in fact, light penetrated the deviation light that can be subjected to the influence of diffraction when second direction is adjusted module and produce second direction.
In the present embodiment, LCD assembly is identical with the feature and the function of the LCD assembly of the 5th embodiment, does not repeat them here.Feature and function that the feature of first direction adjustment module and second direction adjustment module and the direction of the function and first preferred embodiment are adjusted module 22 are identical, do not repeat them here.
The display frequency of the image frame that the demonstration module (LCD assembly) among the present invention is provided can be adjusted the variation of raster unit in the module and adjusts according to direction.
In sum, display unit of the present invention and display panels utilize direction to adjust the light emission direction that module is regulated and control display unit and display panels. Compare with known technology, it is same grade so that light produces diffraction, the deviation direction when changing light ejaculation display unit or display panels during by grating that the present invention utilizes direction to adjust in the module wavelength in grating cycle and incident ray. In addition, if the demonstration module displays in the display unit has two independent pictures, by the control of direction adjustment module, the user who is positioned at display unit both sides different angles also can watch different pictures.
The above only is exemplary, rather than is used for restriction. Any spirit of the present invention and category of not breaking away from all should be contained in the scope of appending claims its equivalent modifications of carrying out or change.
Claims (20)
1. display device comprises:
Show module, it launches light; And
Direction is adjusted module, be arranged at a side of this demonstration module, this light of this demonstration module emission is injected this direction and is adjusted module, and this direction is adjusted module and had raster unit and liquid crystal cells, and wherein the wavelength of the grating cycle of this raster unit and this light is same grade; This direction is adjusted module and is also comprised first substrate and second substrate, and this first substrate and this second substrate relatively are provided with, and this liquid crystal cells and this raster unit are arranged between this first substrate and this second substrate;
Wherein when the refractive index of this liquid crystal cells equals the refractive index of this raster unit, this light is kept straight on and is adjusted module by this direction, when the refractive index of this liquid crystal cells was not equal to the refractive index of this raster unit in fact, this light penetrated the deviation light that produces at least one direction when this direction is adjusted module.
2. display device as claimed in claim 1, wherein this raster unit has first grating region and second grating region, this demonstration module has first pixel region and second pixel region, this first pixel region and this first grating region are provided with accordingly, and this second pixel region and this second grating region are provided with accordingly.
3. display device as claimed in claim 2, wherein when the refractive index of this liquid crystal cells is not equal to the refractive index of this raster unit in fact, this light penetrates the deviation light that produces first direction when this direction is adjusted module by this first grating region, and this light penetrates the deviation light that produces second direction when this direction is adjusted module by this second grating region.
4. display device as claimed in claim 1, wherein the angle of this deviation light institute deviation meets following equation,
θ＝sin
-1(λ/Λn)
θ is the angle of this light institute deviation, and Λ is the grating cycle of this raster unit, and λ is the wavelength of this light, and n is the refractive index that luminous environment.
5. display device as claimed in claim 1, wherein the absolute value of the difference of the logarithm value of the wavelength of the logarithm value in the grating cycle of this raster unit and this light is less than 1.
6. display device as claimed in claim 1, wherein this first substrate combines with this demonstration module, or this first substrate is the substrate in this demonstration module.
7. display device as claimed in claim 6, wherein this direction adjustment module also comprises first electrode and second electrode, this first electrode and this second electrode are arranged at this first substrate and this second substrate respectively, in order to provide electric field to this liquid crystal cells.
8. display device as claimed in claim 7, wherein this raster unit combines with this second substrate, this liquid crystal cells is between this first substrate, this second substrate and this raster unit, and this first electrode and this second electrode are arranged at this first substrate and this second substrate facing surfaces respectively.
9. display device as claimed in claim 7, wherein this raster unit and this second electrode are adjacent to be provided with, and this raster unit and this second electrode be arranged on this second substrate, and this first electrode is arranged at this first substrate and this second substrate facing surfaces.
10. display device as claimed in claim 7, wherein this raster unit combines with this first substrate, this liquid crystal cells is between this first substrate, this second substrate and this raster unit, and this first electrode and this second electrode are arranged at this first substrate and this second substrate facing surfaces respectively.
11. display device as claimed in claim 7, wherein this raster unit and this first electrode are adjacent to be provided with, and this raster unit and this first electrode be arranged on this first substrate, and this second electrode is arranged at this second substrate and this first substrate facing surfaces.
12. display device as claimed in claim 1, wherein this raster unit is a plurality of periodic structures that have.
13. a display device comprises:
Show module, it launches light;
First direction is adjusted module, and it is arranged at a side of this demonstration module, and this first direction is adjusted module and had first raster unit and first liquid crystal cells; This first direction is adjusted module and is also comprised first substrate and second substrate, and this first substrate and this second substrate relatively are provided with, and this first liquid crystal cells and this first raster unit are arranged between this first substrate and this second substrate; And
Second direction is adjusted module, have second raster unit and second liquid crystal cells, this first direction is adjusted module and is arranged between this second direction adjustment module and this demonstration module, this light is worn in regular turn and is penetrated this first direction adjustment module and this second direction adjustment module, and wherein the grating cycle of this first raster unit and this second raster unit and the wavelength of this light are same grade; This second direction is adjusted module and is also comprised the 3rd substrate and tetrabasal, and the 3rd substrate and this tetrabasal relatively are provided with, and this second liquid crystal cells and this second raster unit are arranged between the 3rd substrate and this tetrabasal;
Wherein when the refractive index of this first liquid crystal cells equals the refractive index of this first raster unit, this light is kept straight on and is adjusted module by this first direction, when the refractive index of this first liquid crystal cells is not equal to the refractive index of this first raster unit in fact, this light penetrates the deviation light that produces first direction when this first direction is adjusted module, when the refractive index of this second liquid crystal cells equals the refractive index of this second raster unit, this light is kept straight on and is adjusted module by this second direction, when the refractive index of this second liquid crystal cells was not equal to the refractive index of this second raster unit in fact, this light penetrated the deviation light that produces second direction when this second direction is adjusted module.
14. display device as claimed in claim 13, wherein the angle of the deviation light institute deviation of the deviation light of this first direction and this second direction meets following equation,
θ＝sin
-1(λ/Λn)
θ is the angle of this light institute deviation, and Λ is the grating cycle of this first raster unit or this second raster unit, and λ is the wavelength of this light, and n is the refractive index that luminous environment.
15. display device as claimed in claim 13, wherein the absolute value of the difference of the logarithm value of the wavelength of the logarithm value in the grating cycle of this first raster unit or this second raster unit and this light is less than 1.
16. display device as claimed in claim 13, wherein this first substrate combines with this demonstration module, or this first substrate is the substrate in this demonstration module.
17. display device as claimed in claim 16, wherein this first direction adjustment module also comprises first electrode and second electrode, this first electrode and this second electrode are arranged at this first substrate and this second substrate respectively, in order to provide electric field to this first liquid crystal cells.
18. display device as claimed in claim 16, wherein the 3rd substrate combines with this second substrate.
19. display device as claimed in claim 18, wherein this second direction adjustment module also comprises third electrode and the 4th electrode, this third electrode and the 4th electrode are arranged at the 3rd substrate and this tetrabasal respectively, in order to provide electric field to this second liquid crystal cells.
20. display device as claimed in claim 13, wherein this first raster unit and this second raster unit are a plurality of periodic structures that have.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101101870A CN101329463B (en) | 2007-06-18 | 2007-06-18 | Display apparatus and liquid crystal display panel |
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|---|---|---|---|
| CN2007101101870A CN101329463B (en) | 2007-06-18 | 2007-06-18 | Display apparatus and liquid crystal display panel |
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| CN101329463B true CN101329463B (en) | 2011-04-20 |
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| TWI509330B (en) | 2010-08-05 | 2015-11-21 | Chi Mei Materials Technology Corp | Display device |
| GB201015417D0 (en) * | 2010-09-15 | 2010-10-27 | Lomox Ltd | Organic light emitting diode devices |
| CN103955067B (en) | 2014-04-15 | 2016-11-02 | 京东方科技集团股份有限公司 | A kind of three-dimensional display system |
| CN105589256A (en) * | 2016-03-11 | 2016-05-18 | 京东方科技集团股份有限公司 | Display device |
| CN106292049B (en) * | 2016-09-30 | 2017-11-24 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN106292051B (en) * | 2016-10-21 | 2017-08-01 | 京东方科技集团股份有限公司 | A kind of display device and its display methods |
| CN107918233B (en) * | 2016-10-24 | 2023-12-01 | 京东方科技集团股份有限公司 | Display device |
| CN106291943B (en) * | 2016-10-24 | 2017-10-27 | 京东方科技集团股份有限公司 | A kind of display panel and display device |
| CN106292052B (en) * | 2016-10-24 | 2019-04-09 | 京东方科技集团股份有限公司 | A kind of display panel and device |
| CN106324897B (en) * | 2016-10-28 | 2019-06-14 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN106324898B (en) * | 2016-10-28 | 2017-08-25 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN109991775B (en) | 2018-01-03 | 2020-06-30 | 京东方科技集团股份有限公司 | Backlight and display device |
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| CN1280309A (en) * | 1999-07-09 | 2001-01-17 | 惠普公司 | Liquid crystal device |
| US20070008619A1 (en) * | 2005-07-07 | 2007-01-11 | Samsung Electronics Co., Ltd. | 2D/3D switchable stereoscopic display providing image with complete parallax |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280309A (en) * | 1999-07-09 | 2001-01-17 | 惠普公司 | Liquid crystal device |
| US20070008619A1 (en) * | 2005-07-07 | 2007-01-11 | Samsung Electronics Co., Ltd. | 2D/3D switchable stereoscopic display providing image with complete parallax |
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| Publication number | Publication date |
|---|---|
| CN101329463A (en) | 2008-12-24 |
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