JP6989977B2 - 光照射装置、およびこれを備える露光装置 - Google Patents
光照射装置、およびこれを備える露光装置 Download PDFInfo
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- JP6989977B2 JP6989977B2 JP2020053452A JP2020053452A JP6989977B2 JP 6989977 B2 JP6989977 B2 JP 6989977B2 JP 2020053452 A JP2020053452 A JP 2020053452A JP 2020053452 A JP2020053452 A JP 2020053452A JP 6989977 B2 JP6989977 B2 JP 6989977B2
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- 230000003287 optical effect Effects 0.000 claims description 35
- 239000004973 liquid crystal related substance Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 16
- 239000011521 glass Substances 0.000 description 12
- 239000000758 substrate Substances 0.000 description 10
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 8
- 229910052753 mercury Inorganic materials 0.000 description 8
- 230000004048 modification Effects 0.000 description 8
- 238000012986 modification Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- -1 siloxane compound Chemical class 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/20—Exposure; Apparatus therefor
- G03F7/2002—Exposure; Apparatus therefor with visible light or UV light, through an original having an opaque pattern on a transparent support, e.g. film printing, projection printing; by reflection of visible or UV light from an original such as a printed image
- G03F7/2008—Exposure; Apparatus therefor with visible light or UV light, through an original having an opaque pattern on a transparent support, e.g. film printing, projection printing; by reflection of visible or UV light from an original such as a printed image characterised by the reflectors, diffusers, light or heat filtering means or anti-reflective means used
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
- G02F1/133788—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by light irradiation, e.g. linearly polarised light photo-polymerisation
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3058—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state comprising electrically conductive elements, e.g. wire grids, conductive particles
-
- 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
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/20—Exposure; Apparatus therefor
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/20—Exposure; Apparatus therefor
- G03F7/2002—Exposure; Apparatus therefor with visible light or UV light, through an original having an opaque pattern on a transparent support, e.g. film printing, projection printing; by reflection of visible or UV light from an original such as a printed image
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/20—Exposure; Apparatus therefor
- G03F7/2002—Exposure; Apparatus therefor with visible light or UV light, through an original having an opaque pattern on a transparent support, e.g. film printing, projection printing; by reflection of visible or UV light from an original such as a printed image
- G03F7/201—Exposure; Apparatus therefor with visible light or UV light, through an original having an opaque pattern on a transparent support, e.g. film printing, projection printing; by reflection of visible or UV light from an original such as a printed image characterised by an oblique exposure; characterised by the use of plural sources; characterised by the rotation of the optical device; characterised by a relative movement of the optical device, the light source, the sensitive system or the mask
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Liquid Crystal (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Polarising Elements (AREA)
Description
複数のLEDを有する光源と、
前記光源からの光を受け、透過させた前記光をワークに照射する偏光素子と、
前記光源と前記偏光素子との間において前記ワークと平行に配設されている透光板とを備えており、
前記各LEDの光軸は、前記ワークに対して第1の角度を有しており、
前記各LEDから放射される前記光の配光角の半分である第2の角度は、前記第1の角度よりも小さいことを特徴とする
光照射装置が提供される。
上述した光照射装置を備える露光装置が提供される。
本発明が適用された第1実施形態に係る光照射装置10について以下に説明する。光照射装置10は、主に液晶パネルを製造する際の露光の為に露光装置に組み込まれて用いられる。この光照射装置10は、図1に示すように、大略、光源12と、偏光素子14とを備えている。
第1実施形態に係る光照射装置10によれば、複数のLED16の光軸CLをワークXに対して第1の角度θ1だけ傾け、各LED16から放射される光Lの配向角の半分に相当する第2の角度θ2をこの第1の角度θ1よりも小さく設定することにより、各LED16から放射された光LのすべてがLED16からワークXに向かう垂線よりもLED16の光軸CL側に向かうようになる。
第2実施形態に係る光照射装置10は、図2に示すように、上述した第1実施形態に係る光照射装置10に透光板20が加えられたものである。
第2実施形態に係る光照射装置10によれば、光源12から放射された光Lのうち透光板20に対する入射角θ3が大きい光Lは当該透光板20の表面で反射するので偏光素子14やワークXには届かなくなる。
第3実施形態に係る光照射装置10は、図3に示すように、大略、光源12と、偏光素子14と、光学フィルター30とを備えている。
第3実施形態に係る光照射装置10によれば、光源12から放射される光Lのうち光学フィルター30への入射角θ1が小さい光L(光学フィルター30に対して略垂直に入射する光)は当該光学フィルター30を透過し難くなり、ワークXに対する所望の入射角θ1に近い光Lを中心として露光を行うことができるので、より安定したプレチルト角を得ることができる。
第4実施形態に係る光照射装置10は、図5に示すように、大略、光源12と、偏光素子14と、カバー部材40とを備えている。
第4実施形態に係る光照射装置10によれば、偏光素子14におけるワイヤーグリッドの形成面18に対向する位置にカバー部材40が配設されているので、例えば光照射装置10のメンテナンス等の際に誤ってワイヤーグリッドの形成面18を損傷させるのを回避できるとともに、ワイヤーグリッドの形成面18にシロキサン化合物等の微小固形物による汚れが付着するのを回避できる。
上述した第1から第4実施例に係る光照射装置10の構成は、互いに組み合わせることができる。例えば、第3実施例の光学フィルター30と第4実施例のカバー部材40とを組み合わせることにより、図6に示すように、光源12に近い側から順に、光学フィルター30、偏光素子14、カバー部材40が配置された光照射装置10を形成できる。
また、上述した第1から第4実施例に係る光照射装置10で使用されている光源12に対し、図8に示すように、LED16からの光Lの配光角を制御するためのレンズ50をさらに設けてもよい。このレンズ50の数は、図示するように1つであってもよいし、2つ以上であってもよい。
20…透光板
30…光学フィルター
40…カバー部材、42…保持枠
50…レンズ、52…リフレクター
X…ワーク(露光対象物)、A…露光面、L…露光用光、CL…(LED16の)光軸、θ1…第1の角度、θ2…第2の角度、θ3…(透光板20への)入射角、S…(カバー部材40とワイヤーグリッドの形成面18との間の)空間
Claims (2)
- 複数のLEDを有する光源と、
前記光源からの光を受け、透過させた前記光をワークに照射する偏光素子と、
前記光源と前記偏光素子との間において前記ワークと平行に配設されている透光板とを備えており、
前記各LEDの光軸は、前記ワークに対して第1の角度を有しており、
前記各LEDから放射される前記光の配光角の半分である第2の角度は、前記第1の角度よりも小さいことを特徴とする
光照射装置。 - 請求項1に記載の光照射装置を備える露光装置。
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020053452A JP6989977B2 (ja) | 2020-03-24 | 2020-03-24 | 光照射装置、およびこれを備える露光装置 |
PCT/JP2021/010914 WO2021193301A1 (ja) | 2020-03-24 | 2021-03-17 | 光照射装置、およびこれを備える露光装置 |
KR1020227028670A KR20220129605A (ko) | 2020-03-24 | 2021-03-17 | 광 조사 장치 및 이를 구비하는 노광 장치 |
US17/906,520 US20230124785A1 (en) | 2020-03-24 | 2021-03-17 | Light irradiation device, and exposure apparatus provided therewith |
CN202180015510.4A CN115210636B (zh) | 2020-03-24 | 2021-03-17 | 光照射装置以及具备该光照射装置的曝光装置 |
EP21776652.6A EP4130862A4 (en) | 2020-03-24 | 2021-03-17 | LIGHT IRRADIATION DEVICE AND EXPOSURE APPARATUS PROVIDED WITH SAME |
TW110110478A TW202138888A (zh) | 2020-03-24 | 2021-03-23 | 光照射裝置及具備該光照射裝置之曝光裝置 |
JP2021191850A JP7140430B2 (ja) | 2020-03-24 | 2021-11-26 | 光照射装置、およびこれを備える露光装置 |
IL296150A IL296150A (en) | 2020-03-24 | 2022-09-01 | Light projection device and light exposure device provided with it |
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Application Number | Priority Date | Filing Date | Title |
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JP2020053452A JP6989977B2 (ja) | 2020-03-24 | 2020-03-24 | 光照射装置、およびこれを備える露光装置 |
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JP2021191850A Division JP7140430B2 (ja) | 2020-03-24 | 2021-11-26 | 光照射装置、およびこれを備える露光装置 |
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JP2021152617A JP2021152617A (ja) | 2021-09-30 |
JP6989977B2 true JP6989977B2 (ja) | 2022-01-12 |
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US (1) | US20230124785A1 (ja) |
EP (1) | EP4130862A4 (ja) |
JP (1) | JP6989977B2 (ja) |
KR (1) | KR20220129605A (ja) |
CN (1) | CN115210636B (ja) |
IL (1) | IL296150A (ja) |
TW (1) | TW202138888A (ja) |
WO (1) | WO2021193301A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001512850A (ja) | 1997-08-05 | 2001-08-28 | エルシコン・インコーポレーテッド | 液晶を整合するための露光システム及び方法 |
JP2005010408A (ja) | 2003-06-18 | 2005-01-13 | Sony Corp | 光配向処理方法および液晶表示装置の製造方法 |
JP2006323060A (ja) | 2005-05-18 | 2006-11-30 | Ushio Inc | 偏光光照射装置 |
JP2016153920A (ja) | 2016-05-19 | 2016-08-25 | ウシオ電機株式会社 | 偏光光照射装置 |
CN209014871U (zh) | 2018-07-16 | 2019-06-21 | 香港科技大学 | 用于光取向的曝光头和曝光系统 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2007017475A (ja) | 2005-07-05 | 2007-01-25 | Sanyo Epson Imaging Devices Corp | ラビング処理方法及びこのラビング処理方法を用いた液晶表示パネルの製造方法 |
JP4708287B2 (ja) * | 2006-08-25 | 2011-06-22 | 富士フイルム株式会社 | 光学フィルムの製造方法、光学フィルム、偏光板、転写材料、液晶表示装置、及び偏光紫外線露光装置 |
JP4968165B2 (ja) * | 2008-04-24 | 2012-07-04 | ウシオ電機株式会社 | 光配向用偏光光照射装置 |
JP2018017952A (ja) * | 2016-07-29 | 2018-02-01 | ウシオ電機株式会社 | 光照射装置および光照射方法 |
JP2019211725A (ja) * | 2018-06-08 | 2019-12-12 | 株式会社ブイ・テクノロジー | 光照射装置 |
-
2020
- 2020-03-24 JP JP2020053452A patent/JP6989977B2/ja active Active
-
2021
- 2021-03-17 EP EP21776652.6A patent/EP4130862A4/en active Pending
- 2021-03-17 US US17/906,520 patent/US20230124785A1/en active Pending
- 2021-03-17 CN CN202180015510.4A patent/CN115210636B/zh active Active
- 2021-03-17 KR KR1020227028670A patent/KR20220129605A/ko not_active Application Discontinuation
- 2021-03-17 WO PCT/JP2021/010914 patent/WO2021193301A1/ja unknown
- 2021-03-23 TW TW110110478A patent/TW202138888A/zh unknown
-
2022
- 2022-09-01 IL IL296150A patent/IL296150A/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001512850A (ja) | 1997-08-05 | 2001-08-28 | エルシコン・インコーポレーテッド | 液晶を整合するための露光システム及び方法 |
JP2005010408A (ja) | 2003-06-18 | 2005-01-13 | Sony Corp | 光配向処理方法および液晶表示装置の製造方法 |
JP2006323060A (ja) | 2005-05-18 | 2006-11-30 | Ushio Inc | 偏光光照射装置 |
JP2016153920A (ja) | 2016-05-19 | 2016-08-25 | ウシオ電機株式会社 | 偏光光照射装置 |
CN209014871U (zh) | 2018-07-16 | 2019-06-21 | 香港科技大学 | 用于光取向的曝光头和曝光系统 |
Also Published As
Publication number | Publication date |
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TW202138888A (zh) | 2021-10-16 |
EP4130862A1 (en) | 2023-02-08 |
IL296150A (en) | 2022-11-01 |
KR20220129605A (ko) | 2022-09-23 |
CN115210636A (zh) | 2022-10-18 |
US20230124785A1 (en) | 2023-04-20 |
CN115210636B (zh) | 2024-04-23 |
WO2021193301A1 (ja) | 2021-09-30 |
JP2021152617A (ja) | 2021-09-30 |
EP4130862A4 (en) | 2024-04-24 |
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