JP2002328614A5 - - Google Patents
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- JP2002328614A5 JP2002328614A5 JP2001288624A JP2001288624A JP2002328614A5 JP 2002328614 A5 JP2002328614 A5 JP 2002328614A5 JP 2001288624 A JP2001288624 A JP 2001288624A JP 2001288624 A JP2001288624 A JP 2001288624A JP 2002328614 A5 JP2002328614 A5 JP 2002328614A5
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- Japan
- Prior art keywords
- transparent film
- display according
- less
- formula
- repeating unit
- Prior art date
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- 125000004432 carbon atoms Chemical group C* 0.000 description 4
- 125000001183 hydrocarbyl group Chemical group 0.000 description 4
- 229920001169 thermoplastic Polymers 0.000 description 4
- 125000005843 halogen group Chemical group 0.000 description 3
- 125000004435 hydrogen atoms Chemical group [H]* 0.000 description 3
- 229910003667 SRa Inorganic materials 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- -1 2,2-propylene group Chemical group 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Description
【特許請求の範囲】
【請求項１】 ガラス転移温度が１７０℃以上の熱可塑性ポリマーを溶液流延法にて成形した透明フィルムであって、
（ｉ）三次元屈折率が下記式（Ａ）及び（Ｂ）を同時に満足し、
（ｉｉ）１５０℃２時間熱処理した後の寸法変化率が０．０５％以下であり、
（ｉｉｉ）飽和吸水率が０．４％以下であり、かつ
（ｉｖ）４０℃９０％ＲＨにおける水蒸気透過係数が３５ｇ・１００μｍ／ｍ２／ｄａｙ以下であるディスプレイ用透明フィルム。
｜Ｒ（５５０）｜≦２０（ｎｍ） （Ａ）
Ｋ＝｜［ｎｚ−（ｎｘ＋ｎｙ）／２］×ｄ｜≦１００（ｎｍ） （Ｂ）
［上記式（Ａ）において、Ｒ（５５０）は波長５５０ｎｍの光に対するフィルムの面内位相差であり、上記式（Ｂ）において、ｎｘ、ｎｙ、ｎｚはフィルムの厚み方向をｚ軸としたｘ軸、ｙ軸、ｚ軸方向の波長５５０ｎｍの光に対する三次元屈折率であり、ｄはフィルム厚さである。］
【請求項２】 少なくとも片面の表面平滑性がＳＲａで１０ｎｍ以下である請求項１記載のディスプレイ用透明フィルム。
【請求項３】 熱可塑性ポリマーがポリカーボネートまたはポリエステルまたはこれらの混合物である請求項１または２記載のディスプレイ用透明フィルム。
【請求項４】 熱可塑性ポリマーが、フルオレン骨格を有する繰り返し単位を（共重合）成分とするものである請求項３記載のディスプレイ用透明フィルム。
【請求項５】 熱可塑性ポリマーが、下記式（１）
【化１】
［上記式（１）において、Ｒ１〜Ｒ ８ はそれぞれ独立に水素原子、ハロゲン原子および炭素数１〜６の炭化水素基から選ばれる少なくとも一種である。］
で表される繰り返し単位と、下記式（２）
【化２】
［上記式（２）において、Ｒ９〜Ｒ１６はそれぞれ独立に水素原子、ハロゲン原子および炭素数１〜６の炭化水素基から選ばれ、Ｘは炭素数１〜１５の炭化水素基である。］
で表される繰り返し単位とからなるポリカーボネートから主としてなり、かつ上記式（１）で表される繰り返し単位が全体の１０〜９０モル％である請求項４記載のディスプレイ用透明フィルム。
【請求項６】 上記式（１）で表される繰り返し単位が、フルオレン−９，９−ジ（３−メチル―４−フェノール）から誘導されたものである請求項４または５記載のディスプレイ用透明フィルム。
【請求項７】 上記式（２）におけるＸが２，２−プロピレン基である請求項５または６記載のディスプレイ用透明フィルム。
【請求項８】 １８０℃２時間熱処理した後の寸法変化率が０．１％以下である請求項１〜７のいずれかに記載のディスプレイ用透明フィルム。
【請求項９】 波長４５０ｎｍの光に対する面内位相差をＲ（４５０）、波長５５０ｎｍの光に対する面内位相差をＲ（５５０）としたとき、Ｒ（４５０）／Ｒ（５５０）≦１．０６である請求項１〜８のいずれかに記載のディスプレイ
用透明フィルム。
【請求項１０】 上記式（Ｂ）のＫの値が５０ｎｍ以下である請求項１〜９のいずれかに記載のディスプレイ用透明フィルム。
【請求項１１】 透明フィルム中に残留する溶媒量が該透明フィルム全重量に対して１重量％以下である請求項１〜１０のいずれかに記載のディスプレイ用透明フィルム。
【請求項１２】 表面平滑性がＳＲａで１０ｎｍ以下である面上に無機材料からなるガスバリア層が積層されている請求項２〜１１のいずれかに記載のディスプレイ用透明フィルム。
【請求項１３】 少なくとも片面にガスバリア層と耐薬品性層が積層されていることを特徴とする請求項１〜１２のいずれかに記載のディスプレイ用透明フィルム。
【請求項１４】 少なくとも片面に透明導電層が積層されている請求項１〜１３のいずれかに記載のディスプレイ用透明フィルム。
【請求項１５】 超微小硬度計で計測したとき、硬さが１８以上であり、かつ塑性変形率が５０％以下であることを特徴とする請求項１〜１４のいずれかに記載のディスプレイ用透明フィルム。
【請求項１６】 請求項１〜１５のいずれかに記載の透明フィルムを用いた有機ＥＬ表示素子用基板または液晶表示素子用基板。
[Claims]
A transparent film formed by molding a thermoplastic polymer having a glass transition temperature of 170 ° C. or higher by a solution casting method,
(I) the three-dimensional refractive index simultaneously satisfies the following formulas (A) and (B);
(Ii) the dimensional change after heat treatment at 150 ° C. for 2 hours is 0.05% or less;
(Iii) A transparent film for a display having a saturated water absorption of 0.4% or less, and (iv) a water vapor transmission coefficient at 40 ° C. and 90% RH of 35 g · 100 μm / m 2 / day or less.
| R (550) | ≦ 20 (nm) (A)
K = | [nz− (nx + ny) / 2] × d | ≦ 100 (nm) (B)
[In the above formula (A), R (550) is an in-plane retardation of the film with respect to light having a wavelength of 550 nm. The three-dimensional refractive index for light having a wavelength of 550 nm in the axis, y-axis, and z-axis directions, and d is the film thickness. ]
2. The transparent film for a display according to claim 1, wherein the surface smoothness of at least one surface is 10 nm or less in SRa.
3. The transparent film for a display according to claim 1, wherein the thermoplastic polymer is polycarbonate, polyester, or a mixture thereof.
4. The transparent film for a display according to claim 3, wherein the thermoplastic polymer has a repeating unit having a fluorene skeleton as a (copolymerization) component.
5. The thermoplastic polymer according to the following formula (1)
Embedded image
[In the above formula (1), R 1 to R 8 are each independently at least one selected from a hydrogen atom, a halogen atom and a hydrocarbon group having 1 to 6 carbon atoms. ]
And a repeating unit represented by the following formula (2)
Embedded image
[In the above formula (2), R 9 to R 16 are each independently selected from a hydrogen atom, a halogen atom and a hydrocarbon group having 1 to 6 carbon atoms, and X is a hydrocarbon group having 1 to 15 carbon atoms. ]
The transparent film for a display according to claim 4, which is mainly composed of a polycarbonate comprising a repeating unit represented by the formula: and wherein the repeating unit represented by the formula (1) accounts for 10 to 90 mol% of the whole.
6. The display according to claim 4, wherein the repeating unit represented by the formula (1) is derived from fluorene-9,9-di (3-methyl-4-phenol). Transparent film.
7. The transparent film for a display according to claim 5, wherein X in the formula (2) is a 2,2-propylene group.
8. The transparent film for a display according to claim 1, wherein a dimensional change after heat treatment at 180 ° C. for 2 hours is 0.1% or less.
9. Assuming that the in-plane retardation for light having a wavelength of 450 nm is R (450) and the in-plane retardation for light having a wavelength of 550 nm is R (550), R (450) / R (550) ≦ 1. The transparent film for a display according to any one of claims 1 to 8, which is 06.
10. The transparent film for a display according to claim 1, wherein the value of K in the formula (B) is 50 nm or less.
11. The transparent film for a display according to claim 1, wherein the amount of the solvent remaining in the transparent film is 1% by weight or less based on the total weight of the transparent film.
12. The transparent film for a display according to claim 2, wherein a gas barrier layer made of an inorganic material is laminated on a surface having a surface smoothness of 10 nm or less in SRa.
13. The transparent film for a display according to claim 1, wherein a gas barrier layer and a chemical resistant layer are laminated on at least one surface.
14. The transparent film for a display according to claim 1, wherein a transparent conductive layer is laminated on at least one surface.
15. The display according to any one of claims 1 to 14, wherein the display has a hardness of 18 or more and a plastic deformation rate of 50% or less when measured by an ultra-micro hardness tester. For transparent film.
16. A substrate for an organic EL display device or a substrate for a liquid crystal display device using the transparent film according to claim 1. Description:
［上記式（１）において、Ｒ１〜Ｒ ８ はそれぞれ独立に水素原子、ハロゲン原子および炭素数１〜６の炭化水素基から選ばれる少なくとも一種である。］
で表される繰り返し単位と、下記式（２）
[In the above formula (1), R 1 to R 8 are each independently at least one selected from a hydrogen atom, a halogen atom and a hydrocarbon group having 1 to 6 carbon atoms. ]
And a repeating unit represented by the following formula (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001288624A JP5204358B2 (en) | 2000-10-30 | 2001-09-21 | Transparent film for display |
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000330283 | 2000-10-30 | ||
| JP2000330283 | 2000-10-30 | ||
| JP2001056437 | 2001-03-01 | ||
| JP2001056437 | 2001-03-01 | ||
| JP2001-56437 | 2001-03-01 | ||
| JP2000-330283 | 2001-03-01 | ||
| JP2001288624A JP5204358B2 (en) | 2000-10-30 | 2001-09-21 | Transparent film for display |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002328614A JP2002328614A (en) | 2002-11-15 |
| JP2002328614A5 true JP2002328614A5 (en) | 2008-08-21 |
| JP5204358B2 JP5204358B2 (en) | 2013-06-05 |
Family
ID=27345056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001288624A Expired - Fee Related JP5204358B2 (en) | 2000-10-30 | 2001-09-21 | Transparent film for display |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5204358B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004099754A (en) * | 2002-09-10 | 2004-04-02 | Teijin Ltd | Optical film |
| JP5418505B2 (en) * | 2009-02-03 | 2014-02-19 | コニカミノルタ株式会社 | Organic electronic device and method for manufacturing the same |
| JP6366089B2 (en) * | 2014-03-28 | 2018-08-01 | Ｎｅｃライティング株式会社 | Translucent substrate for organic EL panel, control method of refractive index anisotropy of translucent substrate for organic EL panel, production method of translucent substrate for organic EL panel, organic EL panel, organic EL device |
| JP7270334B2 (en) * | 2017-10-27 | 2023-05-10 | 日東電工株式会社 | Transparent conductive film and manufacturing method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0854615A (en) * | 1994-08-09 | 1996-02-27 | Teijin Ltd | Film substrate for liquid crystal display panel |
| JPH11174424A (en) * | 1997-12-11 | 1999-07-02 | Teijin Ltd | Substrate for liquid crystal display panel |
| CN1175287C (en) * | 1998-10-30 | 2004-11-10 | 帝人株式会社 | Phase difference film and optical device using it |
| JP2000227603A (en) * | 1998-11-30 | 2000-08-15 | Teijin Ltd | Liquid crystal display device and transparent conductive substrate suitable for the same |
-
2001
- 2001-09-21 JP JP2001288624A patent/JP5204358B2/en not_active Expired - Fee Related
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