CN104714330A - Curved liquid crystal display panel and manufacturing method thereof - Google Patents
Curved liquid crystal display panel and manufacturing method thereof Download PDFInfo
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- CN104714330A CN104714330A CN201510160910.0A CN201510160910A CN104714330A CN 104714330 A CN104714330 A CN 104714330A CN 201510160910 A CN201510160910 A CN 201510160910A CN 104714330 A CN104714330 A CN 104714330A
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- liquid crystal
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- described liquid
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13363—Birefringent elements, e.g. for optical compensation
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
Abstract
The invention discloses a curved liquid crystal display panel and a manufacturing method thereof. The curved liquid crystal display panel mainly comprises a colored film substrate, an array substrate, and a liquid crystal layer, wherein the liquid crystal layer is positioned between the colored film substrate and the array substrate; and a phase retarder film with a preset phase difference is arranged at one side, close to the liquid crystal layer, of the colored film substrate, so that the phase difference of the liquid crystal layer is compensated by the phase difference of the phase retarder film. Therefore, the phenomenon of light leakage when the curved liquid crystal display panel is in a dark state is avoided.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of curved surface display panels and manufacture method thereof.
Background technology
The popularity of existing Curved LCD part is higher, is subject to the favor of increasing consumers in general.But, liquid crystal display device is when realizing the curved design of panel by various method, the upper and lower substrate of glass of panel more or less all can be caused to produce stress, and then causing substrate of glass to produce optical anisotropy, light is changing through polarization state during optically anisotropic upper and lower substrate of glass.
For the display panels of horizontal alignment, as shown in Figure 1, especially coplanar conversion (In-PlaneSwitching, IPS) panel and senior super Wei Chang change (Advanced Super Dimension Switch, ADS) panel, when substrate of glass bends, through light successively through lower polaroid 101, array base palte 102 (glass substrate), liquid crystal layer 103, color membrane substrates 104 (comprising upper glass substrate), upper polarizer 105, during dark-state each layer of panel through the state of polarization state in poincare sphere as shown in Figure 2, due to liquid crystal horizontal alignment, light is respectively process (1) (glass substrate bend the optical anisotropy caused) in polarization state each process in poincare sphere when this curved surface display panels (except upper and lower polaroid), process (2) (the optics anisotropic that the optically-active characteristic of liquid crystal layer causes), process (3) (upper glass substrate bend the optical anisotropy caused), to be embodied in poincare sphere as shown in Figure 2, from this light path process, the phase place equal and opposite in direction of the polarization state that upper glass substrate produces and the polarization state that glass substrate produces, direction is contrary, when there is no liquid crystal layer, on, the polarization state that glass substrate produces can be offset, but due to the existence of liquid crystal layer, cause, the polarization state that glass substrate produces cannot be cancelled out each other, that is: printing opacity cannot be made to return to the polarization state before entering glass substrate, as shown in Figure 2, printing opacity after upper glass substrate cannot get back to the position of initial point, thus cause the light leak when display panels is in dark-state.
Summary of the invention
The embodiment of the present invention provides a kind of curved surface display panels and manufacture method thereof, in order to solve the panel leakage problem caused due to curved surface LCD plate benging existed in prior art.
The embodiment of the present invention is by the following technical solutions:
A kind of curved surface display panels, comprise color membrane substrates and array base palte, and the liquid crystal layer between described color membrane substrates and described array base palte, described color membrane substrates is provided with the phase delay chip of a preset phase difference near the side of described liquid crystal layer, wherein, described phase delay chip is for compensating the phase differential of described liquid crystal layer generation.
Preferably, described color membrane substrates specifically comprises:
Color film substrate;
Be positioned at the upper polarizer away from the side of described liquid crystal layer in described color film substrate;
Be positioned at the colored filter near the side of described liquid crystal layer in described color film substrate;
Wherein, described phase delay chip between described color film substrate and colored filter, or is positioned on colored filter.
Preferably, if the phase differential of described liquid crystal layer is half-wavelength, then described phase delay chip is half-wave plate.
Preferably, the phase range of described liquid crystal layer is 200nm-400nm, and the phase range of described half-wave plate is 200nm-400nm.
Preferably, described array base palte specifically comprises:
Array substrate;
Be positioned at the lower polaroid away from the side of described liquid crystal layer in described array substrate;
Be positioned at the thin film transistor (TFT) array near the side of described liquid crystal layer in described array substrate.
A kind of manufacture method of curved surface display panels, comprise: a color membrane substrates and array basal plate are provided, by described color membrane substrates and described array base palte contraposition laminating, and between described color membrane substrates and described array base palte filling liquid crystal layer, described color membrane substrates is provided with the phase delay chip of a preset phase difference near the side of described liquid crystal layer, wherein, described phase delay chip is for compensating the phase differential of described liquid crystal layer generation.
Preferably, the manufacture method of described color membrane substrates specifically comprises:
One color film substrate is provided;
Side near described liquid crystal layer in described color film substrate arranges colored filter;
The phase delay chip of preset phase difference is set on described colored filter;
Side away from described liquid crystal layer in described color film substrate arranges upper polarizer;
Or,
One color film substrate is provided;
Described color film substrate arranges near the side of described liquid crystal layer the phase delay chip of preset phase difference;
On described wave plate, colored filter is set;
Side away from described liquid crystal layer in described color film substrate arranges upper polarizer.
Preferably, if the phase differential of described liquid crystal layer is half-wavelength, then described phase delay chip is half-wave plate.
Preferably, the phase range of described liquid crystal layer is 200nm-400nm, and the phase range of described phase delay chip is 200nm-400nm.
Preferably, the manufacture method of described array base palte specifically comprises:
An array substrate is provided;
Side near described liquid crystal layer in described array substrate arranges thin film transistor (TFT) array;
Described array substrate arranges lower polaroid away from the side of described liquid crystal layer.
In embodiments of the present invention, the wave plate of one preset phase difference is set by the side near liquid crystal layer on color membrane substrates, with the phase differential of liquid crystal layer described in the phase difference compensation making this phase delay chip, thus ensure that curved surface display panels can not produce the phenomenon of light leak when dark-state.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly introduced, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the printing opacity principle schematic of horizontal alignment curved surface display panels when dark-state in prior art;
Fig. 2 be each layer of Fig. 1 mean camber display panels through the polarization state schematic diagram of light in poincare sphere;
The structural representation of a kind of curved surface display panels that Fig. 3 provides for the embodiment of the present invention;
Fig. 4 (a) and Fig. 4 (b) is respectively two kinds of structural representations of the color membrane substrates in the embodiment of the present invention;
The structure of liquid crystal display panel sketch that Fig. 5 is the phase differential of liquid crystal layer in the embodiment of the present invention when being half-wavelength;
Fig. 6 be each layer of embodiment of the present invention mean camber display panels through the polarization state schematic diagram of light in poincare sphere;
The schematic flow sheet of the manufacture method of a kind of curved surface display panels that Fig. 7 provides for the embodiment of the present invention.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, and obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
In embodiments of the present invention, the wave plate of one preset phase difference is set by the side near liquid crystal layer on color membrane substrates, cancel out each other with the phase differential of the phase differential and this wave plate that make liquid crystal layer, thus ensure that curved surface display panels can not produce the phenomenon of light leak when dark-state.
Below by specific embodiment, technical scheme of the present invention is described in detail, the present invention includes but be not limited to following examples.
As shown in Figure 3, be the structural representation of a kind of curved surface display panels that the embodiment of the present invention provides, this curved surface display panels comprises:
Color membrane substrates 201;
Array base palte 202;
And the liquid crystal layer 203 between described color membrane substrates 201 and described array base palte 202;
Wherein, near the phase delay chip 2011 of a preset phase difference of the side of described liquid crystal layer 203 on described color membrane substrates 201, wherein, the phase differential that described phase delay chip 2011 produces for compensating described liquid crystal layer 203.
Because curved surface display panels can produce symmetrical optical anisotropy under the effect of stress, and the equal and opposite in direction of phase differential that array base palte and color membrane substrates produce, direction is contrary, can cancel out each other.But, due to the existence of liquid crystal layer, after backlight enters array base palte through lower polaroid, it (can be the polarization state of all size that optical anisotropy can occur, the present invention does not limit this, also differ and one to illustrate), suppose to be left circularly polarized light through light after array base palte, then also need through liquid crystal layer, again there is optical anisotropy, is no longer left circularly polarized light through light after liquid crystal layer, and its optical polarization is comparatively complicated, relevant with the thickness of liquid crystal layer; In the present invention, the phase delay chip of one preset phase difference can be set near the side of liquid crystal layer on color membrane substrates, equal with the phase difference value of liquid crystal layer at the phase differential of this phase delay chip, when direction is contrary, the phase differential of described phase delay chip can be utilized to balance out the phase differential of described liquid crystal layer generation; Or the phase differential of described phase delay chip is identical with the direction of the phase differential of liquid crystal layer, the numerical value after superposition is wavelength integral multiple, with the phase differential of liquid crystal layer described in the phase difference compensation utilizing described phase delay chip.Wherein, the phase differential of this phase delay chip needs to select according to the phase differential of the liquid crystal layer when front curve display panels, and to be liquid crystal layer can cancel out each other on the impact through polarisation of light state on through the impact of polarisation of light state and wave plate its final purpose.
It should be noted that, the phase differential produced due to optical anisotropy can be expressed as the thickness of liquid crystal layer and optics respectively to the product of abnormal difference, and such as: d × Δ n, wherein, d is the thickness of liquid crystal layer, and Δ n is that the optics of this liquid crystal layer is respectively to abnormal difference.
Preferably, described color membrane substrates 201 specifically comprises:
Color film substrate 2012;
Be positioned at the upper polarizer 2013 away from the side of described liquid crystal layer 203 in described color film substrate 2012;
Be positioned at the colored filter 2014 near the side of described liquid crystal layer 203 in described color film substrate 2012;
Wherein, described phase delay chip 2011, between described color film substrate 2012 and colored filter 2014, as shown in Fig. 4 (a), or is positioned on colored filter 2014, as shown in Fig. 4 (b).
In embodiments of the present invention, in order to the polarization state before entering color membrane substrates through light can be made identical with the polarization state after outgoing array base palte, preferably, the phase differential of described liquid crystal layer is half-wavelength, therefore, the phase delay chip that one phase differential is half-wavelength can be set, such as: half-wave plate, as shown in Figure 5.This half-wave plate can be arranged between described color film substrate and colored filter, or is arranged between described colored filter and described liquid crystal layer.One is embodiment preferably, and the phase range of described liquid crystal layer is 200nm-400nm, and the phase range of described half-wave plate is 200nm-400nm.
Preferably, described array base palte 202 specifically comprises:
Array substrate 2021;
Be positioned at the lower polaroid 2022 away from the side of described liquid crystal layer 203 in described array substrate 2021;
Be positioned at the thin film transistor (TFT) array 2023 near the side of described liquid crystal layer 203 in described array substrate 2021.
Consider that the phase delay chip of the phase differential that can compensate liquid crystal layer can have multiple, a kind of is equal with the numerical value of the phase differential of liquid crystal layer, the phase delay chip that direction is contrary; Another kind is equal with the direction of the phase differential of liquid crystal layer, and the phase differential formed after superposition is the phase delay chip of the integral multiple of visible wavelength.When being only concerned about leakage problem under dark-state, can choose arbitrarily from above type; But consider the printing opacity problem during on state of of curved surface display panels, the present invention is preferably using half-wave plate as the phase delay chip in described display panels.The each layer of this curved surface display panels through the state of polarization state in poincare sphere as shown in Figure 6, dextropolarization is there is in the linearly polarized light through lower polaroid after array base palte, i.e. process (1), then through liquid crystal layer, there is the phase offset of half-wavelength, i.e. process (2), coordinate the compensating action of the half-wavelength of setting up, the phase differential that liquid crystal layer and half-wave plate produce is the integral multiple (being equivalent to turn back to original phase place) of visible wavelength, i.e. process (3).Thus, the contrary polarization state that upper and lower substrate of glass is produced can be cancelled out each other, what can ensure after through half-wave plate is identical with through the polarization state after array base palte through polarisation of light state, and then after color membrane substrates, left-hand polarization occurs, i.e. process (4).Thus, make to get back to origin position again through polarisation of light state, linear polarization when namely getting back to initial, and upper polarizer and lower polaroid are orthogonally set, and therefore, avoid display panels, when dark-state, light leakage phenomena occur.
Belong to same inventive concept based on above-mentioned curved surface display panels, the embodiment of the present invention additionally provides a kind of manufacture method of curved surface display panels.
As shown in Figure 7, the schematic flow sheet of the manufacture method of a kind of curved surface display panels provided for the embodiment of the present invention, the method mainly comprises the following steps:
Step 301: provide a color membrane substrates and array basal plate, wherein, described color membrane substrates is provided with the phase delay chip of a preset phase difference near the side of described liquid crystal layer, wherein, and the phase differential that described phase delay chip produces for compensating described liquid crystal layer.
Step 302: by described color membrane substrates and described array base palte contraposition laminating, and between described color membrane substrates and described array base palte filling liquid crystal layer.
In embodiments of the present invention, by being provided with color membrane substrates and the array base palte contraposition laminating of the wave plate of preset phase difference, and between color membrane substrates and array base palte filling liquid crystal layer, define curved surface display panels, the color film substrate of this curved surface display panels and array substrate can occur bending and deformation, thus cause through light produce optical anisotropy, but, in color membrane substrates, the phase delay chip of a preset phase difference is provided with in the embodiment of the present invention, thus, the phase differential that liquid crystal layer produces can be compensated, avoid because producing too small or excessive phase offset, light leakage phenomena occurring through light when dark-state.
Preferably, the manufacture method of described color membrane substrates specifically can comprise with under type:
Mode one:
The first step: a color film substrate is provided.
Wherein, this color film substrate can be substrate of glass, also can be that other can realize the substrate of the flexible material bent.
Second step: the side near described liquid crystal layer in described color film substrate arranges colored filter.
In embodiments of the present invention, this colored filter can be arranged by the mode attached, and also can be formed by Direct precipitation on color film base.The present invention does not specifically limit this.
3rd step: the phase delay chip that preset phase difference is set on described colored filter.
Particularly, the phase delay chip of preset phase difference can be set on colored filter by the mode attached.
Preferably, in order to ensure by this phase delay chip through identical through polarisation of light state with by array base palte of polarisation of light state, the phase differential of liquid crystal layer can be set to half-wavelength, then can selected phase difference be the half-wave plate of half-wavelength.Preferably, the phase range of liquid crystal layer is 200nm-400nm, and the phase range of described half-wave plate is 200nm-400nm.
4th step: the side away from described liquid crystal layer in described color film substrate arranges upper polarizer.
Mode two:
The first step: a color film substrate is provided.
Second step: the phase delay chip that preset phase difference is set near the side of described liquid crystal layer in described color film substrate.
3rd step: colored filter is set on described wave plate.
4th step: the side away from described liquid crystal layer in described color film substrate arranges upper polarizer.
Wherein, the material of each retes such as the structure of color film substrate involved in which two and phase delay chip is all identical with mode one, uniquely unlike the rete position difference that wave plate is arranged.
Preferably, the manufacture method of described array base palte specifically comprises:
An array substrate is provided;
Side near described liquid crystal layer in described array substrate arranges thin film transistor (TFT) array;
Described array substrate arranges lower polaroid away from the side of described liquid crystal layer.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a curved surface display panels, comprises color membrane substrates and array base palte, and the liquid crystal layer between described color membrane substrates and described array base palte, it is characterized in that,
Described color membrane substrates is provided with the phase delay chip of a preset phase difference near the side of described liquid crystal layer, wherein, the phase differential that described phase delay chip produces for compensating described liquid crystal layer.
2. panel as claimed in claim 1, it is characterized in that, described color membrane substrates specifically comprises:
Color film substrate;
Be positioned at the upper polarizer away from the side of described liquid crystal layer in described color film substrate;
Be positioned at the colored filter near the side of described liquid crystal layer in described color film substrate;
Wherein, described phase delay chip between described color film substrate and colored filter, or between described colored filter and described liquid crystal layer.
3. panel as claimed in claim 2, it is characterized in that, if the phase differential of described liquid crystal layer is half-wavelength, then described phase delay chip is half-wave plate.
4. panel as claimed in claim 3, it is characterized in that, the phase range of described liquid crystal layer is 200nm-400nm, and the phase range of described half-wave plate is 200nm-400nm.
5. panel as claimed in claim 2, it is characterized in that, described array base palte specifically comprises:
Array substrate;
Be positioned at the lower polaroid away from the side of described liquid crystal layer in described array substrate;
Be positioned at the thin film transistor (TFT) array near the side of described liquid crystal layer in described array substrate.
6. a manufacture method for curved surface display panels, comprising: provide a color membrane substrates and array basal plate, by described color membrane substrates and described array base palte contraposition laminating, and between described color membrane substrates and described array base palte filling liquid crystal layer, it is characterized in that,
Described color membrane substrates is provided with the phase delay chip of a preset phase difference near the side of described liquid crystal layer, wherein, the phase differential that described phase delay chip produces for compensating described liquid crystal layer.
7. method as claimed in claim 6, it is characterized in that, the manufacture method of described color membrane substrates specifically comprises:
One color film substrate is provided;
Side near described liquid crystal layer in described color film substrate arranges colored filter;
The phase delay chip of preset phase difference is set on described colored filter;
Side away from described liquid crystal layer in described color film substrate arranges upper polarizer;
Or,
One color film substrate is provided;
Described color film substrate arranges near the side of described liquid crystal layer the phase delay chip of preset phase difference;
On described wave plate, colored filter is set;
Side away from described liquid crystal layer in described color film substrate arranges upper polarizer.
8. method as claimed in claim 7, it is characterized in that, if the phase differential of described liquid crystal layer is half-wavelength, then described phase delay chip is half-wave plate.
9. method as claimed in claim 8, it is characterized in that, the phase range of described liquid crystal layer is 200nm-400nm, and the phase range of described phase delay chip is 200nm-400nm.
10. method as claimed in claim 7, it is characterized in that, the manufacture method of described array base palte specifically comprises:
An array substrate is provided;
Side near described liquid crystal layer in described array substrate arranges thin film transistor (TFT) array;
Described array substrate arranges lower polaroid away from the side of described liquid crystal layer.
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| CN105911771A (en) * | 2016-07-07 | 2016-08-31 | 京东方科技集团股份有限公司 | Liquid crystal display assembly and liquid crystal display device |
| WO2019144462A1 (en) * | 2018-01-26 | 2019-08-01 | 惠州市华星光电技术有限公司 | Liquid crystal display panel and liquid crystal display device |
| CN109445193A (en) * | 2018-02-13 | 2019-03-08 | 京东方科技集团股份有限公司 | A kind of display panel of horizontal electric field type, its production method and display device |
| WO2019157815A1 (en) * | 2018-02-13 | 2019-08-22 | 京东方科技集团股份有限公司 | Horizontal electric field type display panel, manufacturing method thereof, and display device |
| US11126042B2 (en) | 2018-02-13 | 2021-09-21 | Beijing Boe Display Technology Co., Ltd. | Horizontal electric field type display panel, method of manufacturing the same, and display device |
| CN110208989A (en) * | 2019-06-24 | 2019-09-06 | 武汉华星光电技术有限公司 | A kind of display panel |
| WO2020258595A1 (en) * | 2019-06-24 | 2020-12-30 | 武汉华星光电技术有限公司 | Display panel |
| CN111367127A (en) * | 2020-03-16 | 2020-07-03 | Tcl华星光电技术有限公司 | Liquid crystal film structure, preparation method thereof and liquid crystal display panel |
| WO2021227621A1 (en) * | 2020-05-13 | 2021-11-18 | 京东方科技集团股份有限公司 | Display panel and manufacturing method therefor, and display apparatus |
| CN113671745A (en) * | 2020-05-13 | 2021-11-19 | 京东方科技集团股份有限公司 | Display panel, preparation method thereof and display device |
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