JP2008208020A - ディスプレイ用ガラス基板 - Google Patents
ディスプレイ用ガラス基板 Download PDFInfo
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- JP2008208020A JP2008208020A JP2008007507A JP2008007507A JP2008208020A JP 2008208020 A JP2008208020 A JP 2008208020A JP 2008007507 A JP2008007507 A JP 2008007507A JP 2008007507 A JP2008007507 A JP 2008007507A JP 2008208020 A JP2008208020 A JP 2008208020A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
- C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
- C03B17/06—Forming glass sheets
- C03B17/067—Forming glass sheets combined with thermal conditioning of the sheets
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
- C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
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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
-
- 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
- G02F1/133302—Rigid substrates, e.g. inorganic substrates
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- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Glass Compositions (AREA)
- Liquid Crystal (AREA)
Abstract
【解決手段】本発明のディスプレイ用ガラス基板は、ガラス基板面と直交する光によりガラス基板面内を50mm間隔で測定したレタデーションをΔ(nm)、該レタデーションのガラス基板の辺方向に対する方位角をθ(°)とし、任意の測定点aにおける{sin(2θ)}2×{sin(180°・Δ/550)}2で求めた値をA、測定点aに隣り合う測定点a’における{sin(2θ)}2×{sin(180°・Δ/550)}2で求めた値をA’とした際、
隣り合う測定点a、a’における値A、A’の変化率((A−A’)/50)が4.0×10-7以下であることを特徴とする。
【選択図】図3
Description
(1)ガラスリボンが均一に加熱されるように、ヒーターの数を多くする。
(2)ヒーターからの熱がガラスリボンに均一に伝わるように、ヒーターとガラスリボンの間に均熱板を設置する。
(3)ガラスリボンの中央部と端部の冷却速度の差が小さくなるように、ガラスリボンの端部に囲いを設置したり、その部分にヒーターを多く配置する。
(4)ガラスの板引き速度を低く(遅く)する。
2 背面ガラス基板(アレイ用ガラス基板)
3 前面ガラス基板(カラーフィルター用ガラス基板)
4 薄膜トランジスタ(TFT)
5 画素電極
6 配向膜(背面用)
7 偏光板(背面用)
8 対向電極
9 カラーフィルター
10 配向膜(前面用)
11 偏光板(前面用)
12 バックライト
13 液晶分子
20 成形炉
20a 成形炉の炉壁
21 成形体
22 成形ロール
23 徐冷炉
23a 徐冷炉の炉壁
24 引っ張りロール
25 冷却室
26 支持ロール
27 切断室
28 成形室
29 送風機
30 周壁部
31 フィルター
A 溶融ガラス
B ガラスリボン
C ガラス基板
Claims (5)
- ガラス基板面と直交する光によりガラス基板面内を50mm間隔で測定したレタデーションをΔ(nm)、該レタデーションのガラス基板の辺方向に対する方位角をθ(°)とし、任意の測定点aにおける{sin(2θ)}2×{sin(180°・Δ/550)}2で求めた値をA、測定点aに隣り合う測定点a’における{sin(2θ)}2×{sin(180°・Δ/550)}2で求めた値をA’とした際、
隣り合う測定点a、a’における値A、A’の変化率((A−A’)/50)が4.0×10-7以下であることを特徴とするディスプレイ用ガラス基板。 - ガラス基板の短辺の長さが1000mm以上であることを特徴とする請求項1記載のディスプレイ用ガラス基板。
- 質量百分率で、SiO2 40〜70%、Al2O3 2〜25%、B2O3 0〜20%、MgO 0〜10%、CaO 0〜15%、SrO 0〜10%、BaO 0〜15%、ZnO 0〜10%、R2O(RはLi、Na、Kを表わす) 0〜25%、ZrO2 0〜10%を含有するガラスからなることを特徴とする請求項1または2に記載のディスプレイ用ガラス基板。
- ダウンドロー成形法により成形されてなることを特徴とする請求項1〜3の何れかに記載のディスプレイ用ガラス基板。
- 液晶ディスプレイのガラス基板として使用されることを特徴とする請求項1〜4の何れかに記載のディスプレイ用ガラス基板。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008007507A JP5365970B2 (ja) | 2007-01-29 | 2008-01-17 | ディスプレイ用ガラス基板 |
KR1020097009942A KR101422309B1 (ko) | 2007-01-29 | 2008-01-22 | 디스플레이용 유리 기판 |
PCT/JP2008/050784 WO2008093566A1 (ja) | 2007-01-29 | 2008-01-22 | ディスプレイ用ガラス基板 |
TW097102794A TWI408116B (zh) | 2007-01-29 | 2008-01-25 | 顯示器用玻璃基板 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007017869 | 2007-01-29 | ||
JP2007017869 | 2007-01-29 | ||
JP2008007507A JP5365970B2 (ja) | 2007-01-29 | 2008-01-17 | ディスプレイ用ガラス基板 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008208020A true JP2008208020A (ja) | 2008-09-11 |
JP5365970B2 JP5365970B2 (ja) | 2013-12-11 |
Family
ID=39673878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008007507A Active JP5365970B2 (ja) | 2007-01-29 | 2008-01-17 | ディスプレイ用ガラス基板 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP5365970B2 (ja) |
KR (1) | KR101422309B1 (ja) |
TW (1) | TWI408116B (ja) |
WO (1) | WO2008093566A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014189457A (ja) * | 2013-03-27 | 2014-10-06 | Avanstrate Inc | ガラス板製造方法、および、ガラス板製造装置 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5224096B2 (ja) * | 2007-01-29 | 2013-07-03 | 日本電気硝子株式会社 | ディスプレイ用ガラス基板の製造方法 |
US8210001B2 (en) | 2010-11-10 | 2012-07-03 | Corning Incorporated | Method of producing uniform light transmission fusion drawn glass |
KR102212726B1 (ko) | 2020-08-31 | 2021-02-04 | 김보화 | 열 확산구조를 갖는 전기구이기 |
KR102555274B1 (ko) | 2022-12-03 | 2023-07-13 | 김환배 | 분리형 측면 미세먼지 집진휀스로 세척이 용이한 고기구이기 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001130920A (ja) * | 1999-10-28 | 2001-05-15 | Asahi Glass Co Ltd | ディスプレイ用ガラス基板 |
JP2004091244A (ja) * | 2002-08-30 | 2004-03-25 | Nippon Electric Glass Co Ltd | 無アルカリガラス基板及びその製造方法 |
JP2005097544A (ja) * | 2003-08-20 | 2005-04-14 | Tosoh Corp | ディスプレイ用プラスチック基板および表示素子 |
JP2005283969A (ja) * | 2004-03-30 | 2005-10-13 | Nec Corp | 液晶表示装置及びこれを用いた液晶プロジェクタ |
JP2006137631A (ja) * | 2004-11-11 | 2006-06-01 | Nippon Electric Glass Co Ltd | ガラス基板及びその製造方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0922002A (ja) * | 1995-07-07 | 1997-01-21 | Teijin Ltd | 液晶用プラスチック基板 |
JPH1016143A (ja) * | 1996-07-03 | 1998-01-20 | Kanegafuchi Chem Ind Co Ltd | 光学用透明プラスチックシートの製造方法 |
-
2008
- 2008-01-17 JP JP2008007507A patent/JP5365970B2/ja active Active
- 2008-01-22 WO PCT/JP2008/050784 patent/WO2008093566A1/ja active Application Filing
- 2008-01-22 KR KR1020097009942A patent/KR101422309B1/ko active IP Right Grant
- 2008-01-25 TW TW097102794A patent/TWI408116B/zh active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001130920A (ja) * | 1999-10-28 | 2001-05-15 | Asahi Glass Co Ltd | ディスプレイ用ガラス基板 |
JP2004091244A (ja) * | 2002-08-30 | 2004-03-25 | Nippon Electric Glass Co Ltd | 無アルカリガラス基板及びその製造方法 |
JP2005097544A (ja) * | 2003-08-20 | 2005-04-14 | Tosoh Corp | ディスプレイ用プラスチック基板および表示素子 |
JP2005283969A (ja) * | 2004-03-30 | 2005-10-13 | Nec Corp | 液晶表示装置及びこれを用いた液晶プロジェクタ |
JP2006137631A (ja) * | 2004-11-11 | 2006-06-01 | Nippon Electric Glass Co Ltd | ガラス基板及びその製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014189457A (ja) * | 2013-03-27 | 2014-10-06 | Avanstrate Inc | ガラス板製造方法、および、ガラス板製造装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20090103995A (ko) | 2009-10-05 |
WO2008093566A1 (ja) | 2008-08-07 |
TWI408116B (zh) | 2013-09-11 |
JP5365970B2 (ja) | 2013-12-11 |
KR101422309B1 (ko) | 2014-07-22 |
TW200833627A (en) | 2008-08-16 |
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