CN103197461A - Flat panel display device and optical multilayer film structure therefor - Google Patents
Flat panel display device and optical multilayer film structure therefor Download PDFInfo
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- CN103197461A CN103197461A CN2012100007463A CN201210000746A CN103197461A CN 103197461 A CN103197461 A CN 103197461A CN 2012100007463 A CN2012100007463 A CN 2012100007463A CN 201210000746 A CN201210000746 A CN 201210000746A CN 103197461 A CN103197461 A CN 103197461A
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- optical layers
- display apparatus
- flat display
- surface strengthening
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Abstract
The invention discloses an optical multilayer film structure for a flat panel display device. The optical multilayer film structure comprises a first optical layer, a second optical layer, a surface reinforcing layer and an adhesion layer, wherein the first optical layer is used for converting light into a first polarized light; the second optical layer is arranged on the first optical layer and used for converting the first polarized light into a second polarized light; the surface reinforcing layer is arranged on the second optical layer; and the adhesion layer is arranged between the second optical layer and the surface reinforcing layer and is in direct contact with the second optical layer and the surface reinforcing layer. The invention also discloses a flat panel display device with the optical multilayer film structure.
Description
[technical field]
The present invention is relevant for a kind of optical multilayer membrane structure, particularly relevant for a kind of plane demonstration (flat panel display, FPD) device that promotes the optical multilayer membrane structure of skin hardness and have the optical multilayer membrane structure.
[background technology]
Because thin thickness, in light weight, and the characteristic of low power consumption, flat display apparatus, for example liquid crystal display (liquidcrystal display, LCD) device, solved cathode-ray tube (CRT) (cathode ray tube, CRT) display technique and being widely used in the electronic installation is such as laptop computer, PDA(Personal Digital Assistant), e-book (electronic books), projector, and mobile phone etc.
Flat display apparatus on market major part is two dimension (two-dimensional, 2D) flat display apparatus now.And along with the development of new display technique, also begin to occur three-dimensional (three-dimensional, 3D) flat display apparatus on the market.Please refer to Fig. 1, it shows the diagrammatic cross-section of a known flat display apparatus 10.Flat display apparatus 10 comprises: a backlight module 12 and a display structure 16 that is arranged at backlight module 12 tops.Display structure 16 can be liquid crystal display structure or organic light emitting display structure.Moreover dorsal part and the front side of display structure 16 are posted light polarizing film (polarizing film) 14 and 18 respectively usually, will change into line polarisation (linear polarized light) from the light 12a of backlight module 12.If flat display apparatus 10 is applied to solid (stereoscopic) or 3-D display, the user need put on an Observating appts (for example shutter glasses (shutter glasses)), can see correct picture to guarantee left and right sides eyes.Moreover, can additionally paste a blooming 20 on the light polarizing film 18 of the front side of display structure 16, the line polarisation is changed into rotatory polarization (circularpolarized light).Yet the skin hardness deficiency of blooming 20 (that is, pencil hardness (pencilhardness) is lower than 1H) makes the light polarizing film of three-dimensional planar display device can't meet skin hardness demand (that is, pencil hardness is equal to or greater than 3H).
Therefore, be necessary to seek a kind of optical multilayer membrane structure for flat display apparatus, it can improve or address the above problem.
[summary of the invention]
One embodiment of the invention provides a kind of optical multilayer membrane structure for flat display apparatus, comprising: one first optical layers, so that a light is changeed the being aligned polarisation; One second optical layers is arranged on first optical layers, so that the line polarisation is changed into a rotatory polarization; One surface strengthen layer is arranged on second optical layers; And an adhesion layer, be arranged between second optical layers and the surface strengthen layer, and directly contact with second optical layers and surface strengthen layer.
Another embodiment of the present invention provides a kind of flat display apparatus, comprising: a backlight module; One display structure is arranged on the backlight module; One first optical layers is arranged on the display structure, changeing the being aligned polarisation from a light of backlight module; One second optical layers is arranged on first optical layers, so that the line polarisation is changed into a rotatory polarization; One surface strengthen layer is arranged on second optical layers; And an adhesion layer, be arranged between second optical layers and the first surface strengthening layer, and directly contact with second optical layers and surface strengthen layer.
[description of drawings]
Fig. 1 shows the diagrammatic cross-section of a known flat display apparatus;
Fig. 2 shows the diagrammatic cross-section of flat display apparatus according to an embodiment of the invention; And
Fig. 3 shows the diagrammatic cross-section of flat display apparatus according to another embodiment of the present invention.
[primary clustering symbol description]
Existing
10～flat display apparatus;
12～backlight module;
12a～light;
14,18～light polarizing film;
16～display structure;
20～blooming.
Embodiment
100,100 '～flat display apparatus;
102～backlight module;
102a～light;
112～display structure;
113～the second adhesion layers;
114～the second protective seams;
116～the first optical layers;
118～the first protective seams;
121～the 3rd adhesion layers;
122～the second optical layers;
123～the first adhesion layers;
124～first surface strengthening layer;
126～cushion;
128～second surface strengthening layer;
130,130 ', 210～optical multilayer membrane structure;
204～the 3rd protective seams;
206～the 3rd optical layers;
208～the 4th protective seams;
211～the 4th adhesion layers.
[embodiment]
The flat display apparatus of the embodiment of the invention below is described.Yet, can understand embodiment provided by the present invention easily and only be used for explanation with the ad hoc approach making and use the present invention, be not in order to limit to scope of the present invention.In this explanation, towards observer's a side, and " dorsal part " is expressed as an opposite side of " front side " in " front side " expression flat display apparatus.
Please refer to Fig. 2, it shows the diagrammatic cross-section of flat display apparatus according to an embodiment of the invention.In the present embodiment, flat display apparatus 100 comprises: a backlight module 102, a display structure 112 and an optical multilayer membrane structure 130.Display structure 112 is arranged on the backlight module 102.In one embodiment, display structure 112 can be a liquid crystal display (liquid crystal display, LCD) structure, it can comprise a thin film transistor (TFT) (thin film transistor, TFT) array substrate, a colored filter (color filter, CF) substrate and the liquid crystal layer between two substrates.Herein, for simplicity of illustration, only a levelling blanket is represented.In other embodiments, display structure 112 can be organic light emitting display (organic light-emittingdisplay, OLED) structure or other display structure of being familiar with.
Optical multilayer membrane structure 130 is arranged on the display structure 112, and it comprises: one first optical layers 116, one second optical layers 122, a first surface strengthening layer 124 and one first adhesion layer 123.First optical layers 116 is arranged at (that is, the front side) on the display structure 112, changing into one first polarized light from a light 102a of backlight module 102.In one embodiment, first optical layers 116 can comprise polyvinyl alcohol (PVA) (polyvinylalcohol, PVA) or other have the resin material of the inclined to one side function of line, and first optical layers 116 has a thickness and is about 20 microns (μ m).
Second optical layers 122 is arranged on first optical layers 116, first polarized light is changed into one second polarized light.In one embodiment, second optical layers 122 can be a twin shaft (bi-axial) refractive material, for example poly-cycloolefin macromolecule (cyclo-olefin polymer, COP) or polycarbonate (polycarbonate, PC), and second optical layers 122 have a thickness and be about 47 microns.In the present embodiment, but the first polarized light line polarisation (linear polarized light), and second polarized light is rotatory polarization (circular polarizedlight), the Observating appts of user's end then according to second polarized light (namely, rotatory polarization) adjusts, make the user can see correct 3-D display.In addition, in other embodiments, first polarized light also can be rotatory polarization, and second polarized light can be the line polarisation.
In the present embodiment, specifically first surface strengthening layer 124 is arranged on second optical layers 122, in order to promote the skin hardness of optical multilayer membrane structure 130.In one embodiment, first surface strengthening layer 124 can be hard coat (hard coating), and it comprises acryl material or resin material, and first surface strengthening layer 124 has a thickness about 5 microns to 6 microns scope.In another embodiment, first surface strengthening layer 124 is for having the hard coat of anti-dizzy (anti-glare) function.
In the present embodiment, optical multilayer membrane structure 130 more comprises: one first protective seam 118, one second protective seam 114, one second adhesion layer 113 and one the 3rd adhesion layer 121.First protective seam 118 and second protective seam 114 can pass through glue respectively, and (Polyinyl alcohol PVA) (does not illustrate) and is attached at first optical layers, 116 front sides and dorsal part, in order to protect first optical layers 116.In one embodiment, first protective seam 118 and second protective seam 114 can comprise Triafol T (triacetyl cellulose, TAC), and its thickness is about 40 microns to 80 microns scope.
In the present embodiment; second adhesion layer 113 is arranged between first optical layers 116 and the display structure 112; and second protective seam 114 is arranged between first optical layers 116 and second adhesion layer (113), makes first optical layers 116 be fixed in display structure 112 front sides by second adhesion layer 113.Similarly, first protective seam 118 that is arranged between first optical layers 116 and second optical layers 122 can pass through the 3rd adhesion layer 121, and second optical layers 122 is fixed on first optical layers 116.In one embodiment, second adhesion layer 113 and the 3rd adhesion layer 121 can comprise pressure-sensing glue (PSA), and its thickness is about 25 microns.
In the present embodiment, flat display apparatus 100 more comprises an optical multilayer membrane structure 210, and it is attached at the dorsal part of display structure 112.Optical multilayer membrane structure 210 can comprise: one the 3rd protective seam 204, one the 3rd optical layers 206, one the 4th protective seam 208 and one the 4th adhesion layer 211.The 3rd optical layers 206 is arranged at display structure 112 belows (that is, dorsal part), changing into a polarized light from a light 102a of backlight module 102.In one embodiment, the 3rd optical layers 206 can comprise the material that is same as first optical layers 116, and it has a thickness and is about 20 microns.
The 3rd protective seam 204 and the 4th protective seam 208 can be attached at dorsal part and the front side of the 3rd optical layers 206 respectively by glue (not illustrating), in order to protect the 3rd optical layers 206.In one embodiment, the 3rd protective seam 204 and the 4th protective seam 208 can comprise be same as first protective seam 118 and second protective seam 114 can material, and its thickness is about 40 microns to 80 microns scope.
The 4th adhesion layer 211 is arranged between the 3rd optical layers 206 and the display structure 112, makes the 3rd optical layers 206 can be fixed in the dorsal part of display structure 112 by the 4th adhesion layer 211.Similarly, the 4th adhesion layer 211 can comprise pressure-sensing glue (PSA), and its thickness is about 25 microns.
According to above-described embodiment, because first surface strengthening layer 124 is covered on second optical layers 122, so the skin hardness of optical multilayer membrane structure 130 promoted, and then prevents that it is subjected to the damage of external force.
Please refer to Fig. 3, it shows the diagrammatic cross-section of flat display apparatus according to another embodiment of the present invention, and the parts that wherein are same as Fig. 2 use identical label and omit its explanation.At the flat display apparatus 100 ' structural similarity of present embodiment in flat display apparatus shown in Figure 2 100.Yet, be different from optical multilayer membrane structure 130 shown in Figure 2, in the flat display apparatus 100 ' of present embodiment, the optical multilayer membrane structure 130 ' that is arranged on the display structure 112 more comprises: a second surface strengthening layer 128 and a cushion 126.In the present embodiment, specifically second surface strengthening layer 128 is arranged at first surface strengthening layer 124), in order to further to promote the skin hardness of optical multilayer membrane structure 130 ' by the surface strengthen layer of bilayer.In one embodiment, the material of second surface strengthening layer 128 can be hard coat, and it comprises acryl material or resin material, and second surface strengthening layer 128 has a thickness about 5 microns to 6 microns scope.In another embodiment, at least one has the hard coat of anti-dizzy function in first surface strengthening layer 124 and the second surface strengthening layer 128.
Moreover, cushion 126 is arranged between first surface strengthening layer 124 and the second surface strengthening layer 128, with the stress between the surface strengthen layer 124 and 128 that prevents second optical layers 122 and bilayer deflection (bending) taking place, and then guarantees that second optical layers 122 can entirely fit on first optical layers 116.In one embodiment, cushion 126 can comprise Triafol T (TAC), and its thickness is about 40 microns to 80 microns scope.
According to above-described embodiment, owing to have double-deck surface strengthen layer 124 and 128 in the optical multilayer membrane structure 130 ', so the skin hardness of optical multilayer membrane structure 130 ' is able to further lifting.Moreover, owing to have cushion between the double-deck surface strengthen layer 124 and 128, therefore can avoid multilayer film generation deflection, and then promote the fiduciary level of optical multilayer membrane structure 130 '.
Though the present invention discloses as above with preferred embodiment; so it is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when can doing to change and retouching, so protection scope of the present invention is as the criterion when looking accompanying the claim person of defining.
Claims (20)
1. optical multilayer membrane structure that is used for flat display apparatus comprises:
One first optical layers is to change into a light one first polarized light;
One second optical layers is arranged on this first optical layers, so that this first polarized light is changed into one second polarized light;
One first surface strengthening layer is arranged on this second optical layers; And
One adhesion layer is arranged between this second optical layers and this first surface strengthening layer, and directly contacts with this second optical layers and this first surface strengthening layer.
2. the optical multilayer membrane structure for flat display apparatus according to claim 1 is characterized in that, more comprises:
One second surface strengthening layer is arranged on this first surface strengthening layer; And
One cushion is arranged between this first surface strengthening layer and this second surface strengthening layer.
3. the optical multilayer membrane structure for flat display apparatus according to claim 2 is characterized in that, at least one has anti-dizzy function in this first surface strengthening layer and this second surface strengthening layer.
4. the optical multilayer membrane structure for flat display apparatus according to claim 2 is characterized in that, this first surface strengthening layer and this second surface strengthening layer comprise acryl material or resin material.
5. the optical multilayer membrane structure for flat display apparatus according to claim 2 is characterized in that this cushion comprises Triafol T.
6. the optical multilayer membrane structure for flat display apparatus according to claim 1 is characterized in that, more comprises:
One first protective seam is arranged between first optical layers and this second optical layers; And
One second protective seam is arranged at this first optical layers below.
7. the optical multilayer membrane structure for flat display apparatus according to claim 6 is characterized in that, this first protective seam and this second protective seam comprise Triafol T.
8. the optical multilayer membrane structure for flat display apparatus according to claim 1 is characterized in that, this first optical layers comprises polyvinyl alcohol (PVA).
9. the optical multilayer membrane structure for flat display apparatus according to claim 1 is characterized in that, this second optical layers comprises the twin shaft refractive material.
10. the optical multilayer membrane structure for flat display apparatus according to claim 9 is characterized in that, this twin shaft refractive material comprises poly-cycloolefin macromolecule or polycarbonate.
11. a flat display apparatus comprises:
One backlight module;
One display structure is arranged on this backlight module;
One first optical layers is arranged on this display structure, will change into one first polarized light from a light of this backlight module;
One second optical layers is arranged on this first optical layers, so that this first polarized light is changed into one second polarized light;
One first surface strengthening layer is arranged on this second optical layers; And
One first adhesion layer is arranged between this second optical layers and this first surface strengthening layer, and directly contacts with this second optical layers and this first surface strengthening layer.
12. flat display apparatus according to claim 11 is characterized in that, more comprises:
One second surface strengthening layer is arranged on this first surface strengthening layer; And
One cushion is arranged between this first surface strengthening layer and this second surface strengthening layer.
13. flat display apparatus according to claim 12 is characterized in that, at least one has anti-dizzy function in this first surface strengthening layer and this second surface strengthening layer.
14. flat display apparatus according to claim 12 is characterized in that, this first surface strengthening layer and this second surface strengthening layer comprise acryl material or resin material.
15. flat display apparatus according to claim 12 is characterized in that, this cushion comprises Triafol T.
16. flat display apparatus according to claim 11 more comprises:
One first protective seam is arranged between first optical layers and this second optical layers;
One second adhesion layer is arranged between this first optical layers and this display structure; And
One second protective seam is arranged between this first optical layers and this second adhesion layer.
17. flat display apparatus according to claim 16 is characterized in that, this first protective seam and this second protective seam comprise Triafol T.
18. flat display apparatus according to claim 16 is characterized in that, this first adhesion layer and this second adhesion layer comprise pressure-sensing glue.
19. flat display apparatus according to claim 11 is characterized in that, this first optical layers comprises polyvinyl alcohol (PVA).
20. flat display apparatus according to claim 11 is characterized in that, this second optical layers comprises poly-cycloolefin macromolecule or polycarbonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100007463A CN103197461A (en) | 2012-01-04 | 2012-01-04 | Flat panel display device and optical multilayer film structure therefor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100007463A CN103197461A (en) | 2012-01-04 | 2012-01-04 | Flat panel display device and optical multilayer film structure therefor |
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| Publication Number | Publication Date |
|---|---|
| CN103197461A true CN103197461A (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100007463A Pending CN103197461A (en) | 2012-01-04 | 2012-01-04 | Flat panel display device and optical multilayer film structure therefor |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1493889A (en) * | 2002-08-28 | 2004-05-05 | �յÿ���ʽ���� | Anti-glare hard coating film |
| KR20090101630A (en) * | 2008-03-24 | 2009-09-29 | 하이디스 테크놀로지 주식회사 | Polarizing film for 3 dimensional liquid crystal display |
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2012
- 2012-01-04 CN CN2012100007463A patent/CN103197461A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1493889A (en) * | 2002-08-28 | 2004-05-05 | �յÿ���ʽ���� | Anti-glare hard coating film |
| KR20090101630A (en) * | 2008-03-24 | 2009-09-29 | 하이디스 테크놀로지 주식회사 | Polarizing film for 3 dimensional liquid crystal display |
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Application publication date: 20130710 |