CN104749824A - Curved surface display panel and curved surface display device - Google Patents
Curved surface display panel and curved surface display device Download PDFInfo
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- CN104749824A CN104749824A CN201510164162.3A CN201510164162A CN104749824A CN 104749824 A CN104749824 A CN 104749824A CN 201510164162 A CN201510164162 A CN 201510164162A CN 104749824 A CN104749824 A CN 104749824A
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- display panel
- curved face
- viewing area
- fluid sealant
- face display
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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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
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- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a curved surface display panel and a curved surface display device, which can effectively improve the light leakage phenomenon of the display panel so as to improve the display effects of the display device. The curved surface display panel comprises two substrates which are connected, and sealing glue which is positioned between the two substrates and used for sealing the peripheries of the two substrates; the sealing glue is positioned in a non-display area of the curved surface display panel to cover the display area of the curved surface display panel; at least one corner of four corners of the display area comprises a light leaking area; in at least one pair of sides of the sealing glue, a set distance is provided between the part corresponding to the light leaking area and the display area.
Description
Technical field
The present invention relates to LCD Technology field, particularly a kind of curved face display panel and curved-surface display device.
Background technology
In the production run of liquid crystal indicator, be generally, two large glass substrates become display panel to box-like, and this display panel can be cut into multiple sub-liquid crystal panel by size as required, are sealed between each sub-liquid crystal panel by sealed plastic box.
As shown in Figure 1, Fig. 1 is the fluid sealant structural representation in prior art on glass substrate, display panel generally comprises: viewing area 01 and non-display area, as shown in Figure 1, fluid sealant 02 is arranged along the edge of viewing area 01, be close to the edge of viewing area 01, the surrounding of sealing viewing area 01.
At plane conversion (In Plane Switching, be called for short IPS) pattern flat liquid crystal display panel in, under non-driven state, its liquid crystal molecule has almost parallel homogeneous orientation relative to the plate mask of substrate, so light is having almost no change by its polarization direction during liquid crystal layer.If the polarization direction of the polaroid configured in the outer plate surface of two substrates is mutually vertical, display panels carries out almost entirely black display under non-driven state.
But for the curved surface display panels of plane conversion (In Plane Switching, be called for short IPS) pattern, curved surface display panels is for the face that shows normally indent.Like this, just need the plate face indent of the color membrane substrates of the flat liquid crystal display panel of IPS pattern towards user, cause the glass of color membrane substrates to be compressed, the glass of array base palte is stretched.Glass substrate is under the effect of stress, and the optical phase axle of glass substrate can deflect, and causes and changes through upper and lower base plate incident light polarization state, and under causing display panel dark-state pattern, four angles place of display panel exists serious light leakage phenomena.
Summary of the invention
Curved face display panel provided by the invention and curved-surface display device, effectively can improve the phenomenon of display panel light leak, improves the display effect of display device.
For achieving the above object, the invention provides following technical scheme:
The invention provides a kind of curved face display panel, comprise: box is connected to two substrates arranged, the fluid sealant sealed between described two substrates and to the periphery of described two substrates, described fluid sealant be positioned at curved face display panel non-display area, the viewing area of described curved face display panel is surrounded, in four angles of described viewing area, at least one Angle Position place comprises a light leak region
In at least one pair of relative limit of described fluid sealant: between the part corresponding with described light leak region and described viewing area, there is setpoint distance.
Curved face display panel provided by the invention, by by least one pair of relative limit of fluid sealant: be set to certain distance between the part corresponding with light leak region and the viewing area of display panel, the direction of the optical phase axle of substrate can be changed, make the optical phase axle of substrate be tending towards parallel or vertical with the initial orientation axle of liquid crystal, reduce the optical delay of the light through two substrates.
So curved face display panel provided by the invention, effectively can improve the generation of display panel light leakage phenomena, and then improve the display effect of display device.
In some optional embodiments, described viewing area is rectangle, the part that described fluid sealant is corresponding with the minor face of described viewing area is fitted with the edge of the minor face of described viewing area, has described setpoint distance between the long limit of the part that described fluid sealant is corresponding with the long limit of described viewing area and described viewing area.
In some optional embodiments, described setpoint distance is 1 millimeter ~ 10 millimeters.Described setpoint distance those skilled in the art can set according to the size of curved face display panel.
In some optional embodiments, the part that described fluid sealant is corresponding with the light leak region of curved face display panel is linear.Even viewing area is rectangle, and fluid sealant is also rectangle structure.
In some optional embodiments, the part that described fluid sealant is corresponding with the light leak region of curved face display panel is that dihedral is protruding.
In some optional embodiments, the angle that the protruding edge of described dihedral deviates from described viewing area projection is 90 ° ~ 150 °.
In some optional embodiments, the both sides of described dihedral projection are equal.
In some optional embodiments, the part that described fluid sealant is corresponding with the light leak region of curved face display panel is arc convex.
In some optional embodiments, the distance between described arc convex two ends is less than or equal to 1/4th of the length on the long limit of described viewing area.
Present invention also offers a kind of curved-surface display device, comprise: the curved face display panel described in above-mentioned any one, due to above-mentioned curved face display panel, effectively can improve the generation of display panel light leakage phenomena, and then improve the display effect of display device, therefore curved-surface display device provided by the invention has good display effect.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a part of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the fluid sealant structural representation in prior art on glass substrate;
Fig. 2 is the first structural representation of the fluid sealant on substrate provided by the invention;
Fig. 3 is the second structural representation of the fluid sealant on substrate provided by the invention;
Fig. 4 is the third structural representation of the fluid sealant on substrate provided by the invention.
In figure:
01-viewing area 02-fluid sealant
1-substrate 2-fluid sealant
4-viewing area, 3-light leak region
41-long limit 42-minor face
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, 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 the every other embodiment obtained under creative work prerequisite, belong to the scope of patent protection of the present invention.
In order to solve in prior art, the substrate of curved face display panel is due to bending, its optical phase axle is caused to deflect, cause and change through upper and lower base plate incident light polarization state, under causing display panel dark-state pattern, there is the problem of serious light leakage phenomena in four angles place of display panel, the invention provides a kind of curved face display panel.
As shown in Figure 2, Figure 3 and Figure 4, wherein: Fig. 2 is the first structural representation of the fluid sealant on substrate provided by the invention, Fig. 3 is the second structural representation of the fluid sealant on substrate provided by the invention, Fig. 4 is the third structural representation of the fluid sealant on substrate provided by the invention, the invention provides a kind of curved face display panel, comprise: box is connected to two substrates 1 arranged, the fluid sealant 2 sealed between two substrates 1 and to the periphery of two substrates 1, fluid sealant 2 is positioned at the non-display area of curved face display panel, the viewing area 4 of curved face display panel is surrounded, in four angles of viewing area 4, at least one Angle Position place comprises a light leak region 3, in at least one pair of relative limit of fluid sealant 2: there is between the part corresponding with light leak region 3 and viewing area 4 setpoint distance d.
Curved face display panel provided by the invention, by by least one pair of relative limit of fluid sealant 2: be set to certain distance d between the viewing area 4 of the part corresponding with light leak region 3 and display panel, the direction of the optical phase axle of substrate 1 can be changed, make the optical phase axle of substrate 1 be tending towards parallel or vertical with the initial orientation axle of liquid crystal, reduce the optical delay of the light through two substrates.
So curved face display panel provided by the invention, effectively can improve the generation of display panel light leakage phenomena, and then improve the display effect of display device.
Above-mentioned setpoint distance d is positioned on substrate, and the part that namely fluid sealant is corresponding with light leak region 3 moves to the direction of the viewing area away from substrate compared to existing technology, and the edge namely to substrate moves.
Preferred embodiment, viewing area is rectangle, the part that fluid sealant 2 is corresponding with the minor face 42 of viewing area 4 is fitted with the edge of the minor face 42 of viewing area 4, has setpoint distance d between the part that fluid sealant 2 is corresponding with the long limit 41 of viewing area 4 and the long limit 41 of viewing area 4.Because find through software simulation analysis, for rectangular display panel, maximum light leak is easily there is in the long edge position of display panel, therefore be set to setpoint distance d by between part corresponding with the long limit of viewing area 4 for fluid sealant 2 and the long limit of viewing area 4, the area making light leak region 3 cover viewing area 4 diminishes, to improve the generation of display panel light leakage phenomena.
Above-mentioned setpoint distance is 1 millimeter ~ 10 millimeters.Above-mentioned setpoint distance those skilled in the art can set according to the size of curved face display panel.Can be such as: 1 millimeter, 3 millimeters, 4.5 millimeters, 6 millimeters, 7 millimeters, 7.5 millimeters, 9 millimeters, 10 millimeters etc. just repeat no longer one by one here.
The concrete shape of above-mentioned fluid sealant can have multiple:
In a kind of optional embodiment, as shown in Figure 2, the part that fluid sealant 2 is corresponding with the light leak region 3 of curved face display panel is linear.Even viewing area is rectangle, and fluid sealant is also rectangle structure.The frame of display panel can be reduced like this, can sealant material be saved simultaneously.
In another kind of optional embodiment, as shown in Figure 3, the part that fluid sealant 2 is corresponding with the light leak region 3 of curved face display panel is that dihedral is protruding.If dihedral is protruding, the convex apexes that above-mentioned setpoint distance d refers to dihedral projection to display panel viewing area between distance.
Further, the angle a that the protruding edge of dihedral deviates from viewing area projection is 90 ° ~ 150 °.Can be such as: 90 °, 98 °, 105 °, 110 °, 120 °, 135 °, 145 °, 150 ° etc., just repeat no longer one by one here.This angle those skilled in the art also can rule of thumb or simulated experiment calculate setting.
Preferably, the both sides of dihedral projection are equal.Namely two limits surrounding dihedral projection are equal, and such structure is convenient to make, and better can change the optical phase direction of principal axis of substrate,
Concrete, the ultimate range L between the both sides of dihedral projection is less than or equal to 1/4th of the length on the long limit 41 of viewing area.
In another optional embodiment, as shown in Figure 4, the part that fluid sealant 2 is corresponding with the light leak region 3 of curved face display panel is arc convex.If arc convex, the convex apexes that above-mentioned setpoint distance d refers to arc convex to display panel viewing area between distance.
Further, the distance b between arc convex two ends is less than or equal to 1/4th of the length on the long limit 41 of viewing area.
The present invention is described in detail to enumerate specific embodiment below:
Adopting 18.5 " display panel of ADS pattern simulates, the optical phase put-off Δ nd=348nm of liquid crystal; Effective display area area is 410*230mm; The width of fluid sealant is 1mm, and when fluid sealant structure as shown in Figure 1, the thickness of substrate is 0.5mm, and the bending radius of substrate is 2m; After utilizing ANSYS software to carry out stress simulation, stress transmission is phase delay and calculates light leak by Jones matrix, as shown in Figure 1, occurred maximum light leak in position, four, the long limit of display panel, light leak number percent is 0.6% for the position of curved face display panel light leak and size.Number percent is herein with the brightness of on state of for reference, and with on state of brightness 300nit, dark-state light leak value is now 300*0.6%=1.8nit.
According to the fluid sealant structure shown in Fig. 2, still with 18.5 " display panel of ADS pattern simulates, the optical phase put-off Δ nd=348nm of liquid crystal; Effective display area area is 410*230mm; The width of fluid sealant is 1mm, and the long back gauge d of the corresponding part distance viewing area, long limit of fluid sealant and viewing area is 1mm, and substrate thickness is 0.5mm, and bending radius is 2m; After utilizing ANSYS software to carry out stress simulation, stress transmission is phase delay and calculates light leak by Jones matrix, and the position of curved face display panel light leak and size are as shown in Figure 2.Occurred maximum light leak in position, four, the long limit of curved face display panel, light leak number percent is 0.5%, and dark-state light leak value is now 300*0.5%=1.5nit.If the long back gauge d of the corresponding part distance viewing area, long limit of fluid sealant and viewing area is increased to 2mm.Then light leak number percent is 0.4%, and dark-state light leak value is now 300*0.4%=1.2nit, and light leak is greatly improved.
According to the fluid sealant structure of Fig. 3 or Fig. 4, when the long back gauge d of the corresponding part distance viewing area, long limit of fluid sealant and viewing area is 2mm, the light leak number percent of display panel is less than 0.4%, and light leak amount is less than or equal to 1nit.Visible, the light leakage phenomena of curved face display panel have also been obtained good improvement.
Above-mentioned curved face display panel can be IPS pattern also can be ADS pattern etc.
Present invention also offers a kind of curved-surface display device, comprising: the curved face display panel described in above-mentioned any one.
Due to above-mentioned curved face display panel, effectively can improve the generation of display panel light leakage phenomena, and then improve the display effect of display device, therefore curved-surface display device provided by the invention has good display effect.
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 face display panel, comprise: box is connected to two substrates arranged, the fluid sealant sealed between described two substrates and to the periphery of described two substrates, described fluid sealant be positioned at curved face display panel non-display area, the viewing area of described curved face display panel is surrounded, in four angles of described viewing area, at least one Angle Position place comprises a light leak region, it is characterized in that
In at least one pair of relative limit of described fluid sealant: between the part corresponding with described light leak region and described viewing area, there is setpoint distance.
2. curved face display panel according to claim 1, it is characterized in that, described viewing area is rectangle, the part that described fluid sealant is corresponding with the minor face of described viewing area is fitted with the edge of the minor face of described viewing area, has described setpoint distance between the long limit of the part that described fluid sealant is corresponding with the long limit of described viewing area and described viewing area.
3. curved face display panel according to claim 2, is characterized in that, described setpoint distance is 1 millimeter ~ 10 millimeters.
4. the curved face display panel according to Claims 2 or 3, is characterized in that, the part that described fluid sealant is corresponding with the light leak region of curved face display panel is linear.
5. the curved face display panel according to Claims 2 or 3, is characterized in that, the part that described fluid sealant is corresponding with the light leak region of curved face display panel is that dihedral is protruding.
6. curved face display panel according to claim 5, the angle that the protruding edge of described dihedral deviates from described viewing area projection is 90 ° ~ 150 °.
7. curved face display panel according to claim 5, is characterized in that, the both sides of described dihedral projection are equal.
8. the curved face display panel according to Claims 2 or 3, is characterized in that, the part that described fluid sealant is corresponding with the light leak region of curved face display panel is arc convex.
9. curved face display panel according to claim 8, is characterized in that, the distance between described arc convex two ends is less than or equal to 1/4th of the length on the long limit of described viewing area.
10. a curved-surface display device, is characterized in that, comprising: the curved face display panel as described in any one of claim 1 ~ 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510164162.3A CN104749824B (en) | 2015-04-08 | 2015-04-08 | A kind of curved face display panel and curved-surface display device |
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| CN201510164162.3A CN104749824B (en) | 2015-04-08 | 2015-04-08 | A kind of curved face display panel and curved-surface display device |
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| CN104749824B CN104749824B (en) | 2017-11-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105593749A (en) * | 2015-11-19 | 2016-05-18 | 京东方科技集团股份有限公司 | Curved-surface display panel, manufacturing method thereof and related display devices |
| WO2017000544A1 (en) * | 2015-07-02 | 2017-01-05 | 京东方科技集团股份有限公司 | Curved surface display device, method for manufacturing curved surface display device and electronic device thereof |
| CN110610664A (en) * | 2019-09-25 | 2019-12-24 | 云谷（固安）科技有限公司 | Cover plate with polarization function, flexible display panel and rollable display device |
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| US8212970B2 (en) * | 2007-10-10 | 2012-07-03 | Hitachi Displays, Ltd. | Liquid crystal display and organic EL display |
| JP2013125261A (en) * | 2011-12-16 | 2013-06-24 | Technology Research Association For Advanced Display Materials | Liquid crystal display |
| CN104049399A (en) * | 2014-04-23 | 2014-09-17 | 友达光电股份有限公司 | curved display panel |
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| JP2009042565A (en) * | 2007-08-09 | 2009-02-26 | Hitachi Displays Ltd | Liquid crystal display device |
| US8212970B2 (en) * | 2007-10-10 | 2012-07-03 | Hitachi Displays, Ltd. | Liquid crystal display and organic EL display |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017000544A1 (en) * | 2015-07-02 | 2017-01-05 | 京东方科技集团股份有限公司 | Curved surface display device, method for manufacturing curved surface display device and electronic device thereof |
| US10534226B2 (en) | 2015-07-02 | 2020-01-14 | Boe Technology Group Co., Ltd. | Curved display device, method for manufacturing curved display device and electronic device |
| CN105593749A (en) * | 2015-11-19 | 2016-05-18 | 京东方科技集团股份有限公司 | Curved-surface display panel, manufacturing method thereof and related display devices |
| CN105593749B (en) * | 2015-11-19 | 2020-08-14 | 京东方科技集团股份有限公司 | Curved display panel, manufacturing method thereof and related display device |
| CN110610664A (en) * | 2019-09-25 | 2019-12-24 | 云谷（固安）科技有限公司 | Cover plate with polarization function, flexible display panel and rollable display device |
| CN110610664B (en) * | 2019-09-25 | 2021-11-30 | 云谷（固安）科技有限公司 | Cover plate with polarization function, flexible display panel and rollable display device |
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| CN104749824B (en) | 2017-11-10 |
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