CN104749824B - A kind of curved face display panel and curved-surface display device - Google Patents
A kind of curved face display panel and curved-surface display device Download PDFInfo
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- CN104749824B CN104749824B CN201510164162.3A CN201510164162A CN104749824B CN 104749824 B CN104749824 B CN 104749824B CN 201510164162 A CN201510164162 A CN 201510164162A CN 104749824 B CN104749824 B CN 104749824B
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- display panel
- viewing area
- curved face
- fluid sealant
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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 kind of curved face display panel and curved-surface display device, can be effectively improved the generation of display panel light leakage phenomena, and then improve the display effect of display device.Wherein curved face display panel includes：Two substrates set to box connection, the fluid sealant sealed between two substrates and to the peripheries of two substrates, fluid sealant is located at the non-display area of curved face display panel, surrounds the viewing area of curved face display panel, at least one angular position includes a light-leaking area in four angles of viewing area, at least one pair of relative side of fluid sealant：There is setpoint distance between corresponding with light-leaking area part and viewing area.
Description
Technical field
The present invention relates to LCD Technology field, more particularly to a kind of curved face display panel and curved-surface display device.
Background technology
In the production process of liquid crystal display device, it is usually, two big glass substrates form display panel, root to box
This display panel can be cut into more sub- liquid crystal panels according to the size of needs, pass through envelope between each sub- liquid crystal panel
Frame glue is sealed.
As shown in figure 1, Fig. 1 is the fluid sealant structural representation on glass substrate, display panel typically wrap in the prior art
Include：Viewing area 01 and non-display area, as shown in figure 1, edge of the fluid sealant 02 along viewing area 01 is set, it is close to display
The edge in region 01, seal the surrounding of viewing area 01.
In the flat liquid crystal display panel of plane conversion (In Plane Switching, abbreviation IPS) pattern, in non-drive
Under dynamic state, its liquid crystal molecule relative to the plate face of substrate there is almost parallel homogeneous to be orientated, so light is passing through liquid crystal layer
When its polarization direction have almost no change.If mutually hung down in the polarization direction of the polarizer of the outer plate surface configuration of two substrates
Directly, liquid crystal display panel carries out almost completely black display under non-driven state.
But for plane conversion (In Plane Switching, abbreviation IPS) pattern curved surface liquid crystal display panel and
Speech, the face that curved surface liquid crystal display panel is used to show is typically indent.So, it is necessary to show the flat liquid crystal of IPS patterns
Show that the color membrane substrates of panel towards the plate face indent of user, cause the glass of color membrane substrates to be compressed, the glass of array base palte
It is stretched.In the presence of stress, the optical phase axle of glass substrate can deflect glass substrate, be caused to pass through base up and down
Incident light polarization state changes during plate, causes under display panel dark-state pattern, exists seriously at four angles of display panel
Light leakage phenomena.
The content of the invention
Curved face display panel provided by the invention and curved-surface display device, showing for display panel light leak can be effectively improved
As improving the display effect of display device.
To reach above-mentioned purpose, the present invention provides following technical scheme：
The invention provides a kind of curved face display panel, including：Two substrates set to box connection, positioned at described two
The fluid sealant sealed between substrate and to the peripheries of described two substrates, the fluid sealant are located at the non-of curved face display panel
Viewing area, the viewing area of the curved face display panel surrounded, at least one angle position in four angles of the viewing area
Put place and include a light-leaking area,
In at least one pair of relative side of the fluid sealant：It is corresponding with the light-leaking area part and the viewing area it
Between there is setpoint distance.
Curved face display panel provided by the invention, by least one pair of relative side by fluid sealant：With light-leaking area pair
A certain distance is provided between the part answered and the viewing area of display panel, thus it is possible to vary the optical phase axle of substrate
Direction so that the optical phase axle of substrate tends to be parallel or vertical with the initial orientation axle of liquid crystal, reduces by two substrates
The optical delay of light.
So curved face display panel provided by the invention, can be effectively improved the generation of display panel light leakage phenomena, and then
Improve the display effect of display device.
In some optional embodiments, the viewing area is rectangle, the fluid sealant and the viewing area
Short side corresponding to part be bonded with the edge of the short side of the viewing area, the long side of the fluid sealant and the viewing area
There is the setpoint distance between the long side of corresponding part and the viewing area.
In some optional embodiments, the setpoint distance is 1 millimeter~10 millimeters.Described setpoint distance this area
Technical staff can set according to the size of curved face display panel.
In some optional embodiments, fluid sealant part corresponding with the light-leaking area of curved face display panel is
Linear.Even viewing area is rectangle, and fluid sealant is also rectangle structure.
In some optional embodiments, fluid sealant part corresponding with the light-leaking area of curved face display panel is
Angular projection.
In some optional embodiments, the angular raised angle along away from viewing area projection is 90 °
~150 °.
In some optional embodiments, the angular raised both sides are equal.
In some optional embodiments, fluid sealant part corresponding with the light-leaking area of curved face display panel is
Arc convex.
In some optional embodiments, the distance between described arc convex both ends are less than or equal to the viewing area
The a quarter of the length of the long side in domain.
Present invention also offers a kind of curved-surface display device, including：Curved face display panel described in any of the above-described, due to
Above-mentioned curved face display panel, the generation of display panel light leakage phenomena can be effectively improved, and then improve the display effect of display device
Fruit, therefore curved-surface display device provided by the invention has preferable display effect.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the present invention, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the fluid sealant structural representation on glass substrate in the prior art；
Fig. 2 is the first structural representation of the fluid sealant on substrate provided by the invention；
Fig. 3 is second of 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 areas 02- fluid sealants
1- substrate 2- fluid sealants
3- light-leaking area 4- viewing areas
41- long side 42- short sides
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of patent protection of the present invention.
In order to solve in the prior art, the substrate of curved face display panel causes its optical phase axle can send out due to bending
Raw deflection, incident light polarization state changes when being caused to pass through upper and lower base plate, causes under display panel dark-state pattern, display panel
Four angles at the problem of serious light leakage phenomena be present, the invention provides a kind of curved face display panel.
As shown in Figure 2, Figure 3 and Figure 4, wherein：Fig. 2 is that the first structure of the fluid sealant on substrate provided by the invention is shown
It is intended to；Fig. 3 is second of structural representation of the fluid sealant on substrate provided by the invention；Fig. 4 is substrate provided by the invention
On fluid sealant the third structural representation, the invention provides a kind of curved face display panel, including：Box connection is set
Two substrates 1, the fluid sealant 2 sealed between two substrates 1 and to the peripheries of two substrates 1, fluid sealant 2 is positioned at song
The non-display area of face display panel, the viewing area 4 of curved face display panel surrounded, in four angles of viewing area 4 at least
One angular position includes a light-leaking area 3, at least one pair of the relative side of fluid sealant 2：With 3 corresponding part of light-leaking area
There is setpoint distance d between viewing area 4.
Curved face display panel provided by the invention, by by least one pair of the relative side of fluid sealant 2：With light-leaking area 3
A certain distance d is provided between corresponding part and the viewing area of display panel 4, thus it is possible to vary the optics phase of substrate 1
The direction of position axle so that the optical phase axle of substrate 1 tends to be parallel or vertical with the initial orientation axle of liquid crystal, reduces and passes through two
The optical delay of the light of substrate.
So curved face display panel provided by the invention, can be effectively improved the generation of display panel light leakage phenomena, and then
Improve the display effect of display device.
Above-mentioned setpoint distance d is located on substrate, i.e. fluid sealant part corresponding with light-leaking area 3 is compared with prior art to remote
From the direction movement of the viewing area of substrate, i.e., moved to the edge of substrate.
In preferred embodiment, viewing area is rectangle, the 42 corresponding portion of short side of fluid sealant 2 and viewing area 4
Divide and be bonded with the edge of the short side 42 of viewing area 4, the part corresponding with the long side 41 of viewing area 4 of fluid sealant 2 and viewing area
There is setpoint distance d between the long side 41 in domain 4.Because being found by software sunykatuib analysis, for rectangular display panel,
Easily there is the light leak of maximum in the long edge position of display panel, therefore by the part corresponding with the long side of viewing area 4 of fluid sealant 2 with showing
Show and be arranged to setpoint distance d between the long side in region 4 so that the area that light-leaking area 3 is covered in viewing area 4 diminishes, to change
The generation of kind display panel light leakage phenomena.
Above-mentioned setpoint distance is 1 millimeter~10 millimeters.Above-mentioned setpoint distance those skilled in the art can show according to curved surface
Show the size setting of panel.Such as can be：1 millimeter, 3 millimeters, 4.5 millimeters, 6 millimeters, 7 millimeters, 7.5 millimeters, 9 millimeters, 10
Millimeter etc., is just no longer repeated one by one here.
The concrete shape of above-mentioned fluid sealant can have a variety of：
In a kind of optional embodiment, as shown in Fig. 2 fluid sealant 2 is corresponding with the light-leaking area 3 of curved face display panel
Part is linear.Even viewing area is rectangle, and fluid sealant is also rectangle structure.Display panel can so be reduced
Frame, while sealant material can be saved.
In another optional embodiment, as shown in figure 3, fluid sealant 2 is corresponding with the light-leaking area 3 of curved face display panel
Part be angular projection.If angular projection, above-mentioned setpoint distance d refers to angular raised convex apexes to display panel
The distance between viewing area.
Further, the angular raised angle a along away from viewing area projection is 90 °~150 °.Such as can be：90°、
98 °, 105 °, 110 °, 120 °, 135 °, 145 °, 150 ° etc., just no longer repeat one by one here.This angle people in the art
Member can also rule of thumb or simulated experiment calculate setting.
Preferably, angular raised both sides are equal.Surround that angular two raised sides are equal, and such structure is easy to make
Make, and can preferably change the optical phase direction of principal axis of substrate,
Specifically, the ultimate range L between angular raised both sides is less than or equal to the length of the long side 41 of viewing area
A quarter.
In another optional embodiment, as shown in figure 4, fluid sealant 2 is corresponding with the light-leaking area 3 of curved face display panel
Part be arc convex.If arc convex, above-mentioned setpoint distance d refers to the convex apexes of arc convex to display panel
The distance between viewing area.
Further, the distance between arc convex both ends b is less than or equal to the four of the length of the long side 41 of viewing area
/ mono-.
Specific embodiment is set forth below, and the present invention is described in detail：
Simulated using the display panel of 18.5 " ADS patterns, the optical phase put-off Δ nd=348nm of liquid crystal；Effectively
Viewing area area is 410*230mm；The width of fluid sealant is 1mm, when fluid sealant structure as shown in Figure 1, the thickness of substrate
For 0.5mm, the bending radius of substrate is 2m；After carrying out stress simulation using ANSYS softwares, stress transmission is phase delay and led to
Cross Jones matrix and calculate light leak, position and the size of curved face display panel light leak as shown in figure 1, display panel long side four
There is the light leak of maximum in position, and light leak percentage is 0.6%.Percentage herein is using the brightness of on state of as reference, with bright
State brightness 300nit, dark-state light leak value now is 300*0.6%=1.8nit.
According to the sealing plastic structure shown in Fig. 2, still simulated with the display panel of 18.5 " ADS patterns, the light of liquid crystal
Learn phase delay delta nd=348nm；Effective display area area is 410*230mm；The width of fluid sealant is 1mm, and fluid sealant is with showing
Show that long back gauge d of the long side corresponding part in region apart from viewing area is 1mm, substrate thickness 0.5mm, bending radius is
2m；After carrying out stress simulation using ANSYS softwares, stress transmission is phase delay and calculates light leak, curved surface by Jones matrix
The position of display panel light leak and size are as shown in Figure 2.Occurs the leakage of maximum in four positions of long side of curved face display panel
Light, light leak percentage are 0.5%, and dark-state light leak value now is 300*0.5%=1.5nit.If fluid sealant and viewing area
Long back gauge d of the long side corresponding part apart from viewing area increase to 2mm.Then light leak percentage is 0.4%, dark-state now
Light leak value is 300*0.4%=1.2nit, and light leak is greatly improved.
According to Fig. 3 or Fig. 4 sealing plastic structure, when fluid sealant and the long side corresponding part of viewing area are apart from viewing area
When the long back gauge d in domain is 2mm, the light leak percentage of display panel is less than 0.4%, and light leak amount is less than or equal to 1nit.It is it can be seen that bent
The light leakage phenomena of face display panel has also obtained good improvement.
Above-mentioned curved face display panel can be that IPS patterns can also be ADS patterns etc..
Present invention also offers a kind of curved-surface display device, including：Curved face display panel described in any of the above-described.
Due to above-mentioned curved face display panel, the generation of display panel light leakage phenomena can be effectively improved, and then improve display
The display effect of device, therefore curved-surface display device provided by the invention has preferable display effect.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of curved face display panel, including：Two substrates set to box connection, between described two substrates and to institute
State the fluid sealant that the periphery of two substrates is sealed, the fluid sealant is located at the non-display area of curved face display panel, by institute
The viewing area for stating curved face display panel surrounds, and at least one angular position includes a leakage in four angles of the viewing area
Light region, it is characterised in that
In at least one pair of relative side of the fluid sealant：Have between part corresponding with the light-leaking area and the viewing area
There is setpoint distance, wherein：Fluid sealant part corresponding with the light-leaking area of curved face display panel is angular projection.
2. curved face display panel according to claim 1, it is characterised in that the viewing area is rectangle, described close
Sealing it is corresponding with the short side of the viewing area part be bonded with the edge of the short side of the viewing area, the fluid sealant and
There is the setpoint distance between part and the long side of the viewing area corresponding to the long side of the viewing area.
3. curved face display panel according to claim 2, it is characterised in that the setpoint distance is 1 millimeter~10 millimeters.
4. curved face display panel according to claim 1, described angular raised along away from the raised angle in the viewing area
Spend for 90 °~150 °.
5. curved face display panel according to claim 1, it is characterised in that the angular raised both sides are equal.
6. a kind of curved face display panel, including：Two substrates set to box connection, between described two substrates and to institute
State the fluid sealant that the periphery of two substrates is sealed, the fluid sealant is located at the non-display area of curved face display panel, by institute
The viewing area for stating curved face display panel surrounds, and at least one angular position includes a leakage in four angles of the viewing area
Light region, it is characterised in that
In at least one pair of relative side of the fluid sealant：Have between part corresponding with the light-leaking area and the viewing area
There is setpoint distance, wherein：Fluid sealant part corresponding with the light-leaking area of curved face display panel is arc convex.
7. curved face display panel according to claim 6, it is characterised in that the distance between described arc convex both ends are small
In or equal to the viewing area long side length a quarter.
8. curved face display panel according to claim 6, it is characterised in that the viewing area is rectangle, described close
Sealing it is corresponding with the short side of the viewing area part be bonded with the edge of the short side of the viewing area, the fluid sealant and
There is the setpoint distance between part and the long side of the viewing area corresponding to the long side of the viewing area.
9. curved face display panel according to claim 8, it is characterised in that the setpoint distance is 1 millimeter~10 millimeters.
A kind of 10. curved-surface display device, it is characterised in that including：Curved-surface display face as described in any one of Claims 1 to 5
Plate or the curved face display panel as described in any one of claim 6~9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| CN104749824A CN104749824A (en) | 2015-07-01 |
| CN104749824B true CN104749824B (en) | 2017-11-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104914612B (en) * | 2015-07-02 | 2017-12-08 | 京东方科技集团股份有限公司 | Curved-surface display device, the method and its electronic equipment for making curved-surface display device |
| WO2017084072A1 (en) * | 2015-11-19 | 2017-05-26 | Boe Technology Group Co., Ltd. | Curved display panel and fabrication method thereof, and related display apparatus |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5179113B2 (en) * | 2007-08-09 | 2013-04-10 | 株式会社ジャパンディスプレイイースト | Liquid crystal display |
| JP5213407B2 (en) * | 2007-10-10 | 2013-06-19 | 株式会社ジャパンディスプレイイースト | Liquid crystal display device and organic EL display device |
| KR101271521B1 (en) * | 2009-11-23 | 2013-06-05 | 엘지디스플레이 주식회사 | Organic electro-luminescence device |
| JP2013125261A (en) * | 2011-12-16 | 2013-06-24 | Technology Research Association For Advanced Display Materials | Liquid crystal display |
| TWI509321B (en) * | 2014-04-23 | 2015-11-21 | Au Optronics Corp | Curved display panel |
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