TWI442118B - An optical sheet, an optical sheet manufacturing method, a molded article, and a method of manufacturing the same - Google Patents

An optical sheet, an optical sheet manufacturing method, a molded article, and a method of manufacturing the same Download PDF

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Publication number
TWI442118B
TWI442118B TW098110501A TW98110501A TWI442118B TW I442118 B TWI442118 B TW I442118B TW 098110501 A TW098110501 A TW 098110501A TW 98110501 A TW98110501 A TW 98110501A TW I442118 B TWI442118 B TW I442118B
Authority
TW
Taiwan
Prior art keywords
sheet
optical sheet
aromatic polycarbonate
less
light guide
Prior art date
Application number
TW098110501A
Other languages
English (en)
Chinese (zh)
Other versions
TW201003161A (en
Inventor
Hiroshi Kawato
Masami Kogure
Original Assignee
Idemitsu Kosan Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Idemitsu Kosan Co filed Critical Idemitsu Kosan Co
Publication of TW201003161A publication Critical patent/TW201003161A/zh
Application granted granted Critical
Publication of TWI442118B publication Critical patent/TWI442118B/zh

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/365—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pumps, e.g. piston pumps
    • B29C48/37—Gear pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/91—Heating, e.g. for cross linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/9145—Endless cooling belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92114—Dimensions
    • B29C2948/92152—Thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/9218—Weight
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/922—Viscosity; Melt flow index [MFI]; Molecular weight
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92247—Optical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92742—Optical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/387—Plasticisers, homogenisers or feeders comprising two or more stages using a screw extruder and a gear pump
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2069/00—Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0026—Transparent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • B29L2011/005—Fresnel lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0083—Reflectors
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Optical Elements Other Than Lenses (AREA)
TW098110501A 2008-03-31 2009-03-30 An optical sheet, an optical sheet manufacturing method, a molded article, and a method of manufacturing the same TWI442118B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008094212A JP5296405B2 (ja) 2008-03-31 2008-03-31 光学シート、光学シートの製造方法、成形体ならびに成形体の製造方法

Publications (2)

Publication Number Publication Date
TW201003161A TW201003161A (en) 2010-01-16
TWI442118B true TWI442118B (zh) 2014-06-21

Family

ID=41135323

Family Applications (1)

Application Number Title Priority Date Filing Date
TW098110501A TWI442118B (zh) 2008-03-31 2009-03-30 An optical sheet, an optical sheet manufacturing method, a molded article, and a method of manufacturing the same

Country Status (5)

Country Link
JP (1) JP5296405B2 (ko)
KR (1) KR101567351B1 (ko)
CN (1) CN101981097B (ko)
TW (1) TWI442118B (ko)
WO (1) WO2009122942A1 (ko)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012008309A (ja) * 2010-06-24 2012-01-12 Dainippon Printing Co Ltd 光学シート、面光源装置、表示装置
JP2012053282A (ja) * 2010-09-01 2012-03-15 Dainippon Printing Co Ltd 光学シートの製造方法
JP2012185157A (ja) * 2011-02-18 2012-09-27 Sumitomo Chemical Co Ltd 検査装置および検査方法、並びに当該検査方法を用いた導光板の製造方法
JP2014035440A (ja) * 2012-08-08 2014-02-24 Dainippon Printing Co Ltd 光学シート、表示装置および光学シートの製造方法
JP6047993B2 (ja) * 2012-08-21 2016-12-21 大日本印刷株式会社 光学シートおよび表示装置
JP2014044258A (ja) * 2012-08-24 2014-03-13 Dainippon Printing Co Ltd 表示装置
JP2014071327A (ja) * 2012-09-28 2014-04-21 Dainippon Printing Co Ltd 回折光学シートおよび表示装置
JP6146637B2 (ja) * 2012-10-11 2017-06-14 大日本印刷株式会社 表示装置
JP2014115464A (ja) * 2012-12-10 2014-06-26 Dainippon Printing Co Ltd 表示装置
CN103029299A (zh) * 2013-01-08 2013-04-10 石狮市新力元反光材料有限公司 热压型光学薄片生产设备以及光学薄片的生产方法
JP6181936B2 (ja) * 2013-02-25 2017-08-16 恵和株式会社 ライトガイドフィルムの製造方法、ライトガイドフィルム、超薄型液晶バックライトユニット及び携帯型コンピュータ
JP6293415B2 (ja) * 2013-02-25 2018-03-14 恵和株式会社 ライトガイドフィルム、超薄型液晶バックライトユニット及び携帯型コンピュータ
JP6181937B2 (ja) * 2013-02-25 2017-08-16 恵和株式会社 ライトガイドフィルム、超薄型液晶バックライトユニット及び携帯型コンピュータ
JP6293414B2 (ja) * 2013-02-25 2018-03-14 恵和株式会社 超薄型液晶バックライト用ライトガイドフィルム、超薄型液晶バックライトユニット及び携帯型コンピュータ
JP6189052B2 (ja) * 2013-02-25 2017-08-30 恵和株式会社 ライトガイドフィルム、超薄型液晶バックライトユニット及び携帯型コンピュータ
JP6148495B2 (ja) * 2013-02-25 2017-06-14 恵和株式会社 超薄型液晶バックライト用ライトガイドフィルム、超薄型液晶バックライトユニット及び携帯型コンピュータ
KR101711974B1 (ko) 2015-07-27 2017-03-06 주식회사 에이치비테크놀러지 도광판의 압출 제조 방법
JP7107756B2 (ja) * 2018-06-05 2022-07-27 ポリプラ・エボニック株式会社 シート及びシートの製造方法
JP2021141393A (ja) * 2020-03-03 2021-09-16 三菱ケミカル株式会社 音響部材用樹脂組成物、音響部材用フィルム、積層体及び音響部材用振動板

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04275501A (ja) * 1991-03-04 1992-10-01 Sekisui Chem Co Ltd 光拡散板
JPH0790167A (ja) * 1993-09-22 1995-04-04 Teijin Ltd 光拡散性樹脂組成物
JP3308733B2 (ja) * 1994-11-08 2002-07-29 積水化学工業株式会社 薄肉シートの製造方法及び同法により得られる薄肉シート
JP3676848B2 (ja) * 1995-07-03 2005-07-27 帝人化成株式会社 微細な畝状模様付シートの製造方法
JPH10211642A (ja) * 1997-01-31 1998-08-11 Idemitsu Petrochem Co Ltd ポリカーボネートシートの製造方法
JP5009491B2 (ja) * 2004-05-11 2012-08-22 出光興産株式会社 液晶バックライト装置用プリズム一体型光拡散板
JP4602797B2 (ja) * 2004-10-07 2010-12-22 帝人化成株式会社 表面に微細な凸形状を有するポリカーボネート樹脂シートの製造方法
KR20080021043A (ko) * 2005-06-24 2008-03-06 이데미쓰 고산 가부시키가이샤 광확산판 및 그것을 이용한 조명 장치
JP4839285B2 (ja) * 2007-09-10 2011-12-21 帝人株式会社 樹脂成形品

Also Published As

Publication number Publication date
CN101981097B (zh) 2014-01-29
JP5296405B2 (ja) 2013-09-25
JP2009242752A (ja) 2009-10-22
WO2009122942A1 (ja) 2009-10-08
KR20100138965A (ko) 2010-12-31
CN101981097A (zh) 2011-02-23
TW201003161A (en) 2010-01-16
KR101567351B1 (ko) 2015-11-09

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