KR20080031210A - 광학용 평판 부재 - Google Patents

광학용 평판 부재 Download PDF

Info

Publication number
KR20080031210A
KR20080031210A KR1020077030343A KR20077030343A KR20080031210A KR 20080031210 A KR20080031210 A KR 20080031210A KR 1020077030343 A KR1020077030343 A KR 1020077030343A KR 20077030343 A KR20077030343 A KR 20077030343A KR 20080031210 A KR20080031210 A KR 20080031210A
Authority
KR
South Korea
Prior art keywords
gate
plate member
mean roughness
arithmetic mean
optical
Prior art date
Application number
KR1020077030343A
Other languages
English (en)
Korean (ko)
Inventor
가즈노리 우에키
Original Assignee
니폰 제온 가부시키가이샤
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 니폰 제온 가부시키가이샤 filed Critical 니폰 제온 가부시키가이샤
Publication of KR20080031210A publication Critical patent/KR20080031210A/ko

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
    • B29C45/372—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings provided with means for marking or patterning, e.g. numbering articles
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0221—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • B29C2045/0027—Gate or gate mark locations
    • 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
    • B29K2995/0037—Other properties
    • B29K2995/0072—Roughness, e.g. anti-slip
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
KR1020077030343A 2005-05-27 2006-05-25 광학용 평판 부재 KR20080031210A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JPJP-P-2005-00155906 2005-05-27
JP2005155906 2005-05-27
JPJP-P-2006-00019428 2006-01-27
JP2006019428A JP2007001290A (ja) 2005-05-27 2006-01-27 光学用平板部材及びその製造方法

Publications (1)

Publication Number Publication Date
KR20080031210A true KR20080031210A (ko) 2008-04-08

Family

ID=37452140

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020077030343A KR20080031210A (ko) 2005-05-27 2006-05-25 광학용 평판 부재

Country Status (4)

Country Link
JP (1) JP2007001290A (ja)
KR (1) KR20080031210A (ja)
TW (1) TW200702154A (ja)
WO (1) WO2006126731A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008229963A (ja) * 2007-03-19 2008-10-02 Masahiro Moriuchi 射出成形用金型
JP5805435B2 (ja) * 2011-06-09 2015-11-04 スタンレー電気株式会社 バルブゲート式金型装置
JP5792536B2 (ja) * 2011-07-15 2015-10-14 スタンレー電気株式会社 バルブゲート式金型装置
JP2013107373A (ja) 2011-11-24 2013-06-06 Sony Corp パターン転写媒体製造装置、パターン転写媒体製造方法、ディスク状パターン転写媒体、パターン転写媒体

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002303734A (ja) * 2001-04-05 2002-10-18 Sumitomo Chem Co Ltd 導光板
JP4144028B2 (ja) * 2002-09-24 2008-09-03 日本ゼオン株式会社 光拡散板の製造方法
JP2004264328A (ja) * 2003-01-22 2004-09-24 Dainippon Printing Co Ltd フレネルレンズシートおよび背面投射型スクリーン
JP2006106190A (ja) * 2004-10-01 2006-04-20 Nippon Zeon Co Ltd 光拡散板の製造方法

Also Published As

Publication number Publication date
WO2006126731A1 (ja) 2006-11-30
TW200702154A (en) 2007-01-16
JP2007001290A (ja) 2007-01-11

Similar Documents

Publication Publication Date Title
US7887208B2 (en) Direct type back-light device
KR101567351B1 (ko) 광학 시트, 광학 시트의 제조 방법, 성형체 그리고 성형체의 제조 방법
EP1956046B1 (en) Polycarbonate resin composition for light diffusion plate and light diffusion plate
CN101749599A (zh) 正下式背光装置
CN101006307A (zh) 正下式背光装置
US7857475B2 (en) Direct-type backlight device
US20070222092A1 (en) Mold for Injection Molding Light Guide Plate and Process for Producing Light Guide Plate Using the Mold
US20080153008A1 (en) Optical Element, Method for Production Thereof and Display Device
JP2005215497A (ja) 光拡散板及びその製造方法
KR20080031210A (ko) 광학용 평판 부재
JP2010066664A (ja) 光拡散板、直下型バックライト装置、および液晶表示装置
JPWO2008062638A1 (ja) 光学用平板部材及び光学用平板部材の製造方法
JP2006310150A (ja) 直下型バックライト装置
KR20090070828A (ko) 광확산판, 이를 구비한 백라이트 장치 및 액정표시장치
JP4992280B2 (ja) 液晶表示装置
JPWO2006041195A1 (ja) 導光板及びその製造方法
JP2005209558A (ja) 導光板及びバックライト
KR20090072354A (ko) 프리즘 형상의 제어방법 및 제어된 광학필름
JP2005153488A (ja) 導光板射出成形用金型及び導光板の製造方法
JP2010070608A (ja) 光学用アクリルフィルム、導光板およびバックライトユニット
JP2006155926A (ja) 直下型バックライト装置
JP2006264149A (ja) 射出成形用金型及び該金型を用いる光学部材の製造方法
JP2011102917A (ja) 光学シート
JP2010152033A (ja) 集光層付き光拡散板
JP6209428B2 (ja) レンズ付き光学シート及び面光源部材

Legal Events

Date Code Title Description
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid