CN110456554A - Display device - Google Patents
Display device Download PDFInfo
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- CN110456554A CN110456554A CN201910789567.4A CN201910789567A CN110456554A CN 110456554 A CN110456554 A CN 110456554A CN 201910789567 A CN201910789567 A CN 201910789567A CN 110456554 A CN110456554 A CN 110456554A
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 140
- 230000010287 polarization Effects 0.000 claims abstract description 66
- 239000000758 substrate Substances 0.000 claims abstract description 46
- 230000005684 electric field Effects 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 12
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 description 6
- 239000004020 conductor Substances 0.000 description 6
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 6
- 239000004926 polymethyl methacrylate Substances 0.000 description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 description 6
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 5
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 4
- -1 PI) Polymers 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052733 gallium Inorganic materials 0.000 description 4
- 229910052738 indium Inorganic materials 0.000 description 4
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 4
- 229920000609 methyl cellulose Polymers 0.000 description 4
- 239000001923 methylcellulose Substances 0.000 description 4
- 235000010981 methylcellulose Nutrition 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 229920002647 polyamide Polymers 0.000 description 4
- 239000011787 zinc oxide Substances 0.000 description 4
- POFFJVRXOKDESI-UHFFFAOYSA-N 1,3,5,7-tetraoxa-4-silaspiro[3.3]heptane-2,6-dione Chemical compound O1C(=O)O[Si]21OC(=O)O2 POFFJVRXOKDESI-UHFFFAOYSA-N 0.000 description 2
- LCJRHAPPMIUHLH-UHFFFAOYSA-N 1-$l^{1}-azanylhexan-1-one Chemical compound [CH]CCCCC([N])=O LCJRHAPPMIUHLH-UHFFFAOYSA-N 0.000 description 2
- 229920002292 Nylon 6 Polymers 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 description 2
- 229910001195 gallium oxide Inorganic materials 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 229950001919 policapram Drugs 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 230000010415 tropism Effects 0.000 description 2
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 2
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 description 1
- JYMITAMFTJDTAE-UHFFFAOYSA-N aluminum zinc oxygen(2-) Chemical compound [O-2].[Al+3].[Zn+2] JYMITAMFTJDTAE-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- G02F1/133528—Polarisers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
-
- 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
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
-
- 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
- G02F1/29—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 position or the direction of light beams, i.e. deflection
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Geometry (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of display devices, comprising: display panel, liquid crystal lens and polarization compensation element.Display panel provides the first incident light.Liquid crystal lens are configured on display panel.Liquid crystal lens include: the first substrate and the second substrate, the first liquid crystal layer, first electrode layer and the second electrode lay of relative configuration.First liquid crystal layer is configured between first substrate and the second substrate.First electrode layer is configured between first substrate and the first liquid crystal layer.The second electrode lay is configured between the second substrate and the first liquid crystal layer.Polarization compensation element configuration is between display panel and liquid crystal lens.The polarization direction of first incident light is adjusted to parallel with the long axis direction of the multiple liquid crystal molecules in the first liquid crystal layer by polarization compensation element.
Description
Technical field
The invention relates to a kind of display devices, and have liquid crystal lens and polarization compensation member in particular to one kind
The display device of part.
Background technique
The main principle of stereo display technique is that the left eye of viewer is made to be respectively received different images from right eye, and left
Eye and image that right eye receives can be via brains analysis and be overlapped and perceive viewer and show the stereovision and depth of picture
Degree, and then generate three-dimensional sense.Therefore it is intended to show stereopsis in flat-panel screens, two groups need to be provided in same picture and intermeshed
Image make two to receive two group images, Lai Dacheng respectively to simulate binocular vision respectively, then by specific optical element
The effect of stereopsis.
A kind of liquid crystal lens 3 d display device is had proposed at present, may be substituted for traditional barrier-type (Parallax
Barrier) or the display of cylindrical lenses formula (Lenticular Lens), to realize that plane (2D)-three-dimensional (3D) is changeable
Effect.However, liquid crystal lens need complicated electrode design and voltage driving mode so that liquid crystal lens approximation solid lens.
Therefore, the technology development of liquid crystal lens 3 d display device still faces many challenges.
Summary of the invention
One embodiment of the invention provides a kind of display device, and the first incident light can be adjusted by polarization compensation element
Polarization direction, to effectively reduce light leakage phenomena and improve cross-talk noise (cross-talk) problem under 3D mode.
One embodiment of the invention provides a kind of display device, comprising: display panel, liquid crystal lens and polarization compensation member
Part.Display panel provides the first incident light.Liquid crystal lens are configured on display panel.Liquid crystal lens include: the of relative configuration
One substrate and the second substrate, the first liquid crystal layer, first electrode layer and the second electrode lay.First liquid crystal layer is configured at first substrate
Between the second substrate.First electrode layer is configured between first substrate and the first liquid crystal layer.The second electrode lay is configured at second
Between substrate and the first liquid crystal layer.Polarization compensation element configuration is between display panel and liquid crystal lens.Polarization compensation element will
The polarization direction of first incident light is adjusted to substantial parallel with the long axis direction of the multiple liquid crystal molecules in the first liquid crystal layer.
In one embodiment of this invention, above-mentioned polarization compensation element includes the third substrate and the 4th base of relative configuration
Plate, the second liquid crystal layer, common electrode layer, scan electrode layer and insulating layer.Second liquid crystal layer is configured at third substrate and the 4th
Between substrate.Common electrode layer is configured between tetrabasal and the second liquid crystal layer.Scan electrode layer is configured at common electrode layer
Between the second liquid crystal layer.Insulating layer is configured between common electrode layer and scan electrode layer.
In one embodiment of this invention, above-mentioned first electrode layer include alternately arranged multiple first wide electrodes and
Multiple first narrow electrodes.Scan electrode layer includes alternately arranged multiple first scan electrodes and multiple second scan electrodes.
First wide electrode is overlapped in the first scan electrode respectively, and the first narrow electrode is overlapped in the second scan electrode respectively.
In one embodiment of this invention, the spacing of two the first adjacent wide electrodes first scan electrode adjacent with two
Spacing is identical.
In one embodiment of this invention, above-mentioned the second electrode lay include alternately arranged multiple second wide electrodes and
Multiple second narrow electrodes.First wide electrode is overlapped in the second narrow electrode respectively, and the first narrow electrode is overlapped in the second wide electricity respectively
Pole.
In one embodiment of this invention, between the spacing of two the first adjacent wide electrodes and two adjacent second wide electrodes
Away from identical.
In one embodiment of this invention, in the case where polarization compensation element is open state (on-state), two adjacent the
There is horizontal direction electric field, so that the multiple liquid crystal molecules in the second liquid crystal layer between one scan electrode and the second scan electrode
Long axis direction along horizontal direction electric field deviate.
In one embodiment of this invention, in the firstth area, the long axis side of the liquid crystal molecule in the second above-mentioned liquid crystal layer
To between the polarization direction of the first incident light have an angle α.
In one embodiment of this invention, when the first incident light is after passing through polarization compensation element, formation second is incident
Light is to inject liquid crystal lens, the long axis side of liquid crystal molecule of second incident light in the polarization direction in the firstth area and the second liquid crystal layer
There is another angle β between, the value of angle β is approximately equal to the value of angle α.
In one embodiment of this invention, in the firstth area, the polarization direction of the second above-mentioned incident light is incident with first
There is angle γ, the value of angle γ is approximately equal to the value of twice of angle α between the polarization direction of light.
Based on above-mentioned, the polarization direction of the first incident light is adjusted to by one embodiment of the invention by polarization compensation element
It is parallel with the long axis direction of the liquid crystal molecule in the first liquid crystal layer, light leakage phenomena can be effectively reduced and improve the string under 3D mode
Sound noise problem.
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and cooperate institute's accompanying drawings
It is described in detail below.
Detailed description of the invention
Fig. 1 is painted a kind of diagrammatic cross-section of display device of one embodiment of the invention.
Fig. 2A is painted in firstth area of one embodiment of the invention in the polarization direction of the first incident light and the second liquid crystal layer
The relation schematic diagram of the long axis direction of liquid crystal molecule.
Fig. 2 B is painted in secondth area of one embodiment of the invention in the polarization direction of the first incident light and the second liquid crystal layer
The relation schematic diagram of the long axis direction of liquid crystal molecule.
Fig. 2 C is painted the polarization direction of the first incident light in firstth area and corresponding third area of one embodiment of the invention,
The long axis direction of liquid crystal molecule in two liquid crystal layers, the polarization direction of the second incident light and the liquid crystal molecule in the first liquid crystal layer
The relation schematic diagram of long axis direction.
Fig. 2 D is painted the polarization direction of the first incident light in secondth area and corresponding 4th area of one embodiment of the invention,
The long axis direction of liquid crystal molecule in two liquid crystal layers, the polarization direction of the second incident light and the liquid crystal molecule in the first liquid crystal layer
The relation schematic diagram of long axis direction.
Wherein, appended drawing reference:
10: display device
100: display panel
150: the first incident lights
The polarization direction of 150P: the first incident light
200: polarization compensation element
210: third substrate
218: third both alignment layers
220: the tetrabasals
221: common electrode layer
222: scan electrode layer
223: insulating layer
224: the first scan electrodes
226: the second scan electrodes
228: the four both alignment layers
230: the second liquid crystal layers
232: liquid crystal molecule
232LA1,232LB1,332LA2,332LB2: the long axis direction of liquid crystal molecule
235: horizontal direction electric field
250: the second incident lights
250PA, 250PB: the polarization direction of the second incident light
300: liquid crystal lens
302: lens unit
310: first substrate
312: first electrode layer
314: the first wide electrodes
316: the first narrow electrodes
318: the first both alignment layers
320: the second substrate
322: the second electrode lay
324: the second wide electrodes
326: the second narrow electrodes
328: the second both alignment layers
330: the first liquid crystal layers
330R: curve
332: liquid crystal molecule
350: going out light
α, β, γ: angle
A1: the first area
B1: the second area
A2: third area
B2: the four area
P1, P2, P3: spacing
Specific embodiment
Referring to the schema of the present embodiment more fully to illustrate the present invention.However, the present invention also can be with a variety of different shapes
Formula embodies, and should not necessarily be limited by embodiments described herein.The thickness of layer and region in schema can for the sake of clarity and
Amplification.The same or similar label indicates the same or similar element, and following paragraphs will be repeated no longer one by one.
Fig. 1 is painted a kind of diagrammatic cross-section of display device of one embodiment of the invention.Fig. 2A, which is painted the present invention one, to be implemented
The relationship of the long axis direction of the polarization direction and liquid crystal molecule in the second liquid crystal layer of the first incident light is illustrated in firstth area of example
Figure.Fig. 2 B is painted the liquid crystal point in secondth area of one embodiment of the invention in the polarization direction of the first incident light and the second liquid crystal layer
The relation schematic diagram of the long axis direction of son.
Please refer to Fig. 1, it includes: display panel 100, polarization compensation member that one embodiment of the invention, which provides a kind of display device 10,
Part 200 and liquid crystal lens 300.Display panel 100 can provide the first incident light 150 with polarization direction 150P.Some
In embodiment, display panel 100 can be any component capable of displaying image, such as liquid crystal display panel, organic electric-excitation luminescent
Display panel, electric slurry display panel, electrophoretic display panel, field emission display panel etc. or other pattern display panels.In addition,
When display panel 100 is used as display medium using the material (such as liquid crystal material) of non-self-luminescence, optionally wrap
The lower section that light source module group is located at display panel 100 is included, with light source needed for providing display panel 100.
Liquid crystal lens 300 are configured on display panel 100.Specifically, liquid crystal lens 300 include: first substrate 310,
The second substrate 320, the first liquid crystal layer 330, first electrode layer 312, the first both alignment layers 318, the second electrode lay 322 and second are matched
To layer 328.As shown in Figure 1, first substrate 310 and the second substrate 320 are opposite each other.In some embodiments, the first base
Plate 310 and the second substrate 320 can be for example glass substrate or quartz base plate.In other examples, first substrate 310 and
Two substrates 320 can also use the transparent substrate of other materials, e.g. polymer material.First liquid crystal layer 330 is configured at
Between one substrate 310 and the second substrate 320.First liquid crystal layer 330 includes multiple liquid crystal molecules 332, and wherein liquid crystal molecule 332 exists
There is optical anisotropy in electric field and be the tropisms such as optics under no current field condition.
First electrode layer 312 is configured between first substrate 310 and the first liquid crystal layer 330.In detail, first electrode layer
312 include the multiple first wide electrodes 314 and the multiple first narrow electrodes 316.As shown in Figure 1, from Y-direction, the first wide electricity
The width of pole 314 is greater than the width of the first narrow electrode 316, and the first wide electrode 314 is handed over along the X direction with the first narrow electrode 316
For arrangement.There is spacing P1, among it between two the first adjacent wide electrodes 314 (or two first adjacent narrow electrodes 316)
It can be adjusted according to actual design demand away from P1.In some embodiments, the first wide electrode 314 can be with the first narrow electrode 316
The strip shaped electric poles extended along the Y direction.First both alignment layers 318 configure between first electrode layer 312 and the first liquid crystal layer 330.
First both alignment layers 318 can make 332 orientation of liquid crystal molecule in the first liquid crystal layer 330.
The second electrode lay 322 is configured between the second substrate 320 and the first liquid crystal layer 330.In detail, the second electrode lay
322 include the multiple second wide electrodes 324 and the multiple second narrow electrodes 326.As shown in Figure 1, from Y-direction, the second wide electricity
The width of pole 324 is greater than the width of the second narrow electrode 326, in other words, the width that the second wide electrode 324 above extends in X direction
Greater than the width that the second narrow electrode 326 above extends in X direction, and the second wide electrode 324 and the second narrow electrode 326 are along the X direction
It is alternately arranged.There is spacing P2 between two the second adjacent wide electrodes 324 (or two second adjacent narrow electrodes 326), wherein
Spacing P2 can be adjusted according to actual design demand.In some embodiments, the second wide electrode 324 and the second narrow electrode 326 can be with
It is the strip shaped electric poles extended along the Y direction.As shown in Figure 1, fixed between the second adjacent wide electrode 324 and the second narrow electrode 326
Yi Chu third area A2 and form multiple third area A2 arranged in X direction, each second wide electrode 324 and each second narrow electrode
326 define the 4th area B2 respectively and form multiple the 4th area B2 arranged in X direction, and third area A2 and the 4th B2 system, area are along X
Direction is alternately arranged.It is observed along Z-direction or towards X/Y plane, Z-direction system is vertical first substrate 310 or the second substrate 320
One normal direction, the second wide electrode 324 corresponds respectively to and is overlapped in the first narrow electrode 316, and the second narrow electrode 326 is right respectively
Ying Yu and it is overlapped in the first wide electrode 314.That is, the second wide electrode 324 and the first wide electrode 314 are interconnected, and the
Two narrow electrodes 326 and the first narrow electrode 316 are interconnected.In another embodiment, spacing P2 is identical as spacing P1.It is real in substitution
It applies in example, the material of first electrode layer 312 and the second electrode lay 322 can be for example indium tin oxide (ITO), indium-zinc oxide
(IZO), aluminium zinc oxide (AZO), gallium zinc oxide (GZO), indium gallium oxide (IGO), indium gallium zinc oxide (IGZO), other
Light-transmitting conductive material appropriate or its line width are not easy the conductive material felt by human eye.In other embodiments, the first electricity
Pole layer 312 can have same conductive or different conductive materials from the second electrode lay 322.
Second both alignment layers 328 configure between the second electrode lay 322 and the first liquid crystal layer 330.In some embodiments,
Alignment direction of the alignment direction of two both alignment layers 328 substantially parallel to the first both alignment layers 318.In some embodiments, first
The material of both alignment layers 318 and the second both alignment layers 328 can be for example policapram (polyimide, PI), methyl cellulose
(methyl cellulose, MC), polymethyl methacrylate (Polymethylmethacrylate, PMMA), polyvinyl alcohol
(polyvinyl alcohol, PVA), polyamide (polyamide), silica (silicon oxide, SiO), silicon nitride
The aluminium oxide (aluminum oxide) of (silicon nitride), silicon carbide (silicon carbonate) or insulating properties
Deng.In other embodiments, the first both alignment layers 318 and the second both alignment layers 328 can have identical material or different materials.
In the present embodiment, when first electrode layer 312 and the second electrode lay 322 are not driven (or closed state),
First liquid crystal layer 330 is whole to be rendered as homogeneous (homogenic) state.In the case, shadow provided in display panel 100
As information is substantially so that the direction of transfer of script provides light 350 and carries out the aobvious of bidimensional image after liquid crystal lens 300
Show.That is, liquid crystal lens 300 can not be driven under plane display pattern.
In addition, can provide electricity when first electrode layer 312 and the second electrode lay 322 are driven (or open state)
Specific index distribution is presented to change the state of the first liquid crystal layer 330 in field.At this point, the refractive index of the first liquid crystal layer 330
Distribution can provide the effect similar to optical lens.So image information provided in display panel 100 is saturating via liquid crystal
The effect of mirror 300 can be projected towards different directions and (namely form the different kens), carry out stereopsis to provide light 350
Display.Therefore, display device 10 can have at least two display patterns, i.e., three-dimensional (3D) display pattern and plane (2D)
Display pattern.
As shown in Figure 1, the trend of curve 330R can be for example presented in the index distribution of the first liquid crystal layer 330, by first
Liquid crystal layer 330 defines multiple lens units 302.In some embodiments, the index distribution in each lens unit 302 be from
The outside gradual change of middle section (such as become larger or gradually become smaller).
Theoretically, the alignment direction (rubbing direction) of the liquid crystal molecule 332 in the first liquid crystal layer 330 or long
Axis direction should be completely the same with the polarization direction 150P of the first incident light 150, to realize complete extraordinary ray (extra-
Ordinary light, also known as e light) 3D rendering.However, in fact, since liquid crystal molecule 332 will receive first electrode layer 312
Or the influence of the transverse electric field of the second electrode lay 322, cause liquid crystal molecule 332 to deviate original alignment direction, to form one
Quantitative ordinary light (ordinary light, also known as o light) 2D image.Since there is no lens to imitate in liquid crystal lens 300 for o light
Fruit will lead to light leakage phenomena, and then increase cross-talk noise in 3 d mode.To solve the above-mentioned problems, the present embodiment
Display device 10 configures polarization compensation element 200 between display panel 100 and liquid crystal lens 300, incident with adjustment first
The polarization direction 150P of light 150, and then effectively reduce light leakage phenomena and improve the cross-talk noise problem under 3D mode.
Specifically, polarization compensation element 200 includes: third substrate 210, tetrabasal 220, the second liquid crystal layer 230, is total to
With electrode layer 221, scan electrode layer 222, third both alignment layers 218, the 4th both alignment layers 228 and insulating layer 223.
As shown in Figure 1, third substrate 210 is opposite each other with tetrabasal 220.In some embodiments, third base
Plate 210 and tetrabasal 220 can be for example glass substrate, quartz base plate or polymeric substrates etc..Second liquid crystal layer 230 is configured at
Between third substrate 210 and tetrabasal 220.Second liquid crystal layer 230 includes multiple liquid crystal molecules 232, wherein liquid crystal molecule 232
There is optical anisotropy in the electric field and be the tropisms such as optics under no current field condition.Third both alignment layers 218 are configured at third base
Between plate 210 and the second liquid crystal layer 230.Third both alignment layers 218 can make 232 orientation of liquid crystal molecule in the second liquid crystal layer 230.
Common electrode layer 221 is configured between tetrabasal 220 and the second liquid crystal layer 230.The citing of common electrode layer 221 system
Comprehensively cover the lower surface of tetrabasal 220.Scan electrode layer 222 is configured at common electrode layer 221 and the second liquid crystal layer
Between 230.In some embodiments, scan electrode layer 222 includes multiple first scan electrodes 224 and multiple second scanning electricity
Pole 226.As shown in Figure 1, the first scan electrode 224 corresponds respectively to and is overlapped in the first wide electrode 314, and the second scan electrode
226 correspond respectively to and are overlapped in the first narrow electrode 316.From in Y-direction, the first scan electrode 224 and the second scanning electricity
Pole 226 has same widths, and in other words, the upper width extended is equal to the second scan electrode to the first scan electrode 224 in X direction
226 width above extended in X direction, and be alternately arranged along the X direction with identical spacing.Two the first adjacent scan electrodes 224
There is spacing P3, pitch P3 is identical as spacing P1 between (or two second adjacent scan electrodes 226).As shown in Figure 1,
The first area A1, which is defined, between adjacent the first scan electrode 224 and the second scan electrode 226 and is formed multiple arranges in X direction
The first area A1, each first scan electrode 224 and each second scan electrode 226 define the second area B1 respectively and are formed more
A the second area B1 arranged in X direction, the first area A1 and the second B1 system, area are alternately arranged in X direction.In alternative embodiments, altogether
It can be for example indium tin oxide (ITO), indium-zinc oxide (IZO), aluminium zinc with the material of electrode layer 221 and scan electrode layer 222
Oxide (AZO), gallium zinc oxide (GZO), indium gallium oxide (IGO), indium gallium zinc oxide (IGZO), other light transmissions appropriate
Conductive material or its line width are not easy the conductive material felt by human eye.In other embodiments, common electrode layer 221 with sweep
Same conductive or different conductive materials can be had by retouching electrode layer 222.
Insulating layer 223 is configured between common electrode layer 221 and scan electrode layer 222, be isolated common electrode layer 221 with
Scan electrode layer 222.In some embodiments, the material of insulating layer 223 includes Inorganic Dielectric Material, can be for example oxidation
Silicon, silicon nitride, silicon oxynitride, other suitable dielectric materials or combinations thereof.
4th both alignment layers 228 configure between scan electrode layer 222 and the second liquid crystal layer 230.In some embodiments,
Alignment direction of the alignment direction of four both alignment layers 228 substantially parallel to third both alignment layers 218.In some embodiments, third
The material of both alignment layers 218 and the 4th both alignment layers 228 can be for example policapram (polyimide, PI), methyl cellulose
(methyl cellulose, MC), polymethyl methacrylate (Polymethylmethacrylate, PMMA), polyvinyl alcohol
(polyvinyl alcohol, PVA), polyamide (polyamide), silica (silicon oxide, SiO), silicon nitride
The aluminium oxide (aluminum oxide) of (silicon nitride), silicon carbide (silicon carbonate) or insulating properties
Deng.In other embodiments, third both alignment layers 218 and the 4th both alignment layers 228 can have identical material or different materials.
In the present embodiment, in the case where polarization compensation element 200 is open state (on-state), two the first adjacent scannings
There is horizontal direction electric field 235 between electrode 224 and the second scan electrode 226, that is, there is level side in the first area A1
To electric field 235, so that the long axis direction 232LA1 of the liquid crystal molecule 232 in the second liquid crystal layer 230 is along horizontal direction electric field 235
Offset, in the case, the liquid crystal point as shown in Fig. 1 and Fig. 2A, for macroscopic, in the first area A1, in the second liquid crystal layer 230
There is angle α, the value of angle α differs between the long axis direction 232LA1 of son 232 and the polarization direction 150P of the first incident light 150
In 180 degree.In addition, as shown in Fig. 1 and Fig. 2 B, in the second area B1, the long axis of the liquid crystal molecule 232 in the second liquid crystal layer 230
Direction 232LB1 therefore passes through the second liquid crystal in the second area B1 substantially parallel to the polarization direction 150P of the first incident light 150
The polarization direction of the light of layer 230 is substantially unchanged.
It is worth noting that, the second incidence can be formed when the first incident light 150 is after passing through polarization compensation element 200
Light 250 is to inject liquid crystal lens 300.In the case, as shown in Fig. 1 and Fig. 2 C, in the first area A1 to overlap each other in Z-direction
And in third area A2, the long axis of the polarization direction 250PA of the second incident light 250 and the liquid crystal molecule 232 in the second liquid crystal layer 230
There is angle β, for example the value of angle β is approximately equal to the value of angle α, and the value citing system of angle α is 90 between the 232LA1 of direction
Degree, but not limited to this.That is, the polarization side of the polarization direction 250PA of the second incident light 250 and the first incident light 150
It is approximately equal to the value of twice of angle α to the value of the angle γ between 150P.In addition, as shown in Fig. 1 and Fig. 2 D, in Z-direction that
In the second area B1 and the 4th area B2 of this overlapping, the long axis direction 232LB1 of the liquid crystal molecule 232 in the second liquid crystal layer 230, the
The polarization direction 250PB of the long axis direction 332LB2 of liquid crystal molecule 332 in one liquid crystal layer 330 and the second incident light 250 is real
It is parallel to each other in matter, thus it is substantially unchanged by the polarization direction of the light in this area.
In some embodiments, controlled level direction electric field can be carried out by the voltage being applied on scan electrode layer 222
235, and then adjust angle α.Therefore, the present embodiment can be adjusted into the second of liquid crystal lens 300 by polarization compensation element 200
The polarization direction 250PA or 250PB of incident light 250 make the orientation of itself and corresponding liquid crystal molecule 332 in the first liquid crystal layer 330
Direction or long axis direction 332LA2 or 332LB2 are completely the same or almost parallel, and then the light leakage caused by effectively reducing because of o light
Phenomenon.In alternative embodiments, since the second incident light 250 by polarization compensation element 200 is only to change polarization direction
It not can be filtered, therefore, the display device 10 of the present embodiment can have preferable display brightness.
In conclusion the polarization direction of the first incident light is adjusted to by one embodiment of the invention by polarization compensation element
Parallel with the long axis direction of the liquid crystal molecule in the first liquid crystal layer, light leakage phenomena caused by can effectively reducing because of o light simultaneously changes
Cross-talk noise problem under kind 3D mode, and then promote the display quality of 3D rendering.In addition, passing through the second of polarization compensation element
Incident light is only to change polarization direction without can be filtered, and therefore, the display device of the present embodiment can have preferable display
Brightness.
Although the present invention has been disclosed by way of example above, it is not intended to limit the present invention., any technical field
Middle tool usually intellectual, without departing from the spirit and scope of the present invention, when can make some changes and embellishment, thus it is of the invention
Protection scope should be defined by the scope of the appended claims.
Claims (11)
1. a kind of display device characterized by comprising
One display panel provides one first incident light；
One liquid crystal lens are configured on the display panel, and wherein the liquid crystal lens include:
A first substrate and a second substrate for relative configuration；
One first liquid crystal layer, is configured between the first substrate and the second substrate；
One first electrode layer is configured between the first substrate and first liquid crystal layer；And
One the second electrode lay is configured between the second substrate and first liquid crystal layer；And
One polarization compensation element, is configured between the display panel and the liquid crystal lens, wherein the polarization compensation element by this
One polarization direction of one incident light is adjusted to substantially flat with a long axis direction of the multiple liquid crystal molecules in first liquid crystal layer
Row.
2. display device as described in claim 1, which is characterized in that the polarization compensation element includes:
A third substrate and a tetrabasal for relative configuration；
One second liquid crystal layer is configured between the third substrate and the tetrabasal；
One common electrode layer is configured between the tetrabasal and second liquid crystal layer；
One scanning electrode layer, is configured between the common electrode layer and second liquid crystal layer；And
One insulating layer is configured between the common electrode layer and the scan electrode layer.
3. display device as claimed in claim 2, which is characterized in that the first electrode layer includes alternately arranged multiple first
Wide electrode and multiple first narrow electrodes, the scan electrode layer include alternately arranged multiple first scan electrodes and multiple
Two scan electrodes, those first wide electrodes are overlapped in those the first scan electrodes respectively, those first narrow electrodes are overlapped in respectively
Those second scan electrodes.
4. display device as claimed in claim 3, which is characterized in that the spacing and two-phase of two those adjacent the first wide electrodes
The spacing of those adjacent the first scan electrodes is identical.
5. display device as claimed in claim 3, which is characterized in that the second electrode lay includes alternately arranged multiple second
Wide electrode and multiple second narrow electrodes, those first wide electrodes are overlapped in those the second narrow electrodes respectively, those first narrow electricity
Pole is overlapped in those the second wide electrodes respectively.
6. display device as claimed in claim 5, which is characterized in that the spacing and two-phase of two those adjacent the first wide electrodes
The spacing of those adjacent the second wide electrodes is identical.
7. display device as claimed in claim 3, which is characterized in that in the case where the polarization compensation element is open state, two-phase
There is a horizontal direction electric field, so that second liquid crystal between adjacent those first scan electrodes and those second scan electrodes
One long axis direction of the multiple liquid crystal molecules in layer is deviated along the horizontal direction electric field.
8. display device as claimed in claim 7, which is characterized in that adjacent first scan electrode and second scanning
One first area is defined between electrode, at least one of those liquid crystal molecules in firstth area, in second liquid crystal layer
The long axis direction and first incident light the polarization direction between there is an angle α, the value of the angle α is not equal to 180 degree.
9. display device as claimed in claim 8, which is characterized in that the second electrode lay includes alternately arranged multiple second
Wide electrode and multiple second narrow electrodes, those first wide electrodes are overlapped in those the second narrow electrodes respectively, those first narrow electricity
Pole is overlapped in those the second wide electrodes respectively, those first scan electrodes and those second scan electrodes define multiple the respectively
2nd area define a third area between the adjacent second wide electrode and the second narrow electrode, and first incident light is by being somebody's turn to do
After polarization compensation element, one second incident light is formed to inject the liquid crystal lens, in being somebody's turn to do in a normal direction that overlap each other
In firstth area and the third area, in those liquid crystal molecules in the polarization direction of second incident light and second liquid crystal layer
The long axis direction of at least one has an angle β, and the value of angle β is approximately equal to the value of angle α.
10. display device as claimed in claim 9, which is characterized in that in overlapping each other in firstth area of the normal direction
And in the third area, the long axis direction of at least one of those liquid crystal molecules in first liquid crystal layer and this second enter
The polarization direction for penetrating light is substantial parallel.
11. display device as claimed in claim 10, which is characterized in that in overlapping each other in firstth area of the normal direction
And in the third area, angle γ's between the polarization direction of second incident light and the polarization direction of first incident light
Value is approximately equal to the value of twice of angle α.
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| TW108113328A TWI699592B (en) | 2019-04-17 | 2019-04-17 | Display apparatus |
| TW108113328 | 2019-04-17 |
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| CN114063362A (en) * | 2021-11-16 | 2022-02-18 | 电子科技大学 | Two-dimensional liquid crystal laser deflector |
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| TWI699592B (en) | 2020-07-21 |
| TW202040235A (en) | 2020-11-01 |
| CN110456554B (en) | 2022-02-08 |
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