TWI406050B - Optical sheet and the use of its backlight unit - Google Patents

Optical sheet and the use of its backlight unit Download PDF

Info

Publication number
TWI406050B
TWI406050B TW098121101A TW98121101A TWI406050B TW I406050 B TWI406050 B TW I406050B TW 098121101 A TW098121101 A TW 098121101A TW 98121101 A TW98121101 A TW 98121101A TW I406050 B TWI406050 B TW I406050B
Authority
TW
Taiwan
Prior art keywords
filler
optical sheet
optical
layer
sheet
Prior art date
Application number
TW098121101A
Other languages
English (en)
Chinese (zh)
Other versions
TW201005374A (en
Inventor
Keiichi Osamura
Original Assignee
Jiro Corporate Plan Inc
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 Jiro Corporate Plan Inc filed Critical Jiro Corporate Plan Inc
Publication of TW201005374A publication Critical patent/TW201005374A/zh
Application granted granted Critical
Publication of TWI406050B publication Critical patent/TWI406050B/zh

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • G02B5/0205Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021Diffusing 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
    • G02B5/0226Diffusing 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 having particles on the surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/07Flat, e.g. panels
    • B29C48/08Flat, e.g. panels flexible, e.g. films
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/04Prisms
    • G02B5/045Prism arrays
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00Condition, form or state of the layers or laminate
    • B32B2305/30Fillers, e.g. particles, powders, beads, flakes, spheres, chips
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/20Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/21Anti-static

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
TW098121101A 2008-07-18 2009-06-24 Optical sheet and the use of its backlight unit TWI406050B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008187127A JP2010026231A (ja) 2008-07-18 2008-07-18 光学シート及びこれを用いたバックライトユニット

Publications (2)

Publication Number Publication Date
TW201005374A TW201005374A (en) 2010-02-01
TWI406050B true TWI406050B (zh) 2013-08-21

Family

ID=41575200

Family Applications (1)

Application Number Title Priority Date Filing Date
TW098121101A TWI406050B (zh) 2008-07-18 2009-06-24 Optical sheet and the use of its backlight unit

Country Status (4)

Country Link
JP (1) JP2010026231A (ko)
KR (1) KR101056638B1 (ko)
CN (1) CN101630030B (ko)
TW (1) TWI406050B (ko)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101129595B1 (ko) * 2010-08-16 2012-03-27 도레이첨단소재 주식회사 광확산 필름 및 이를 구비한 백라이트 유닛
CN103430055B (zh) * 2011-03-14 2016-10-12 3M创新有限公司 多层纳米结构化制品
KR101273099B1 (ko) * 2011-05-24 2013-06-13 엘지이노텍 주식회사 광학 시트, 이를 포함하는 표시장치 및 이의 제조방법
KR101781206B1 (ko) * 2011-12-30 2017-09-25 에스케이씨하이테크앤마케팅(유) 마이크로 렌즈 광학시트, 및 이를 이용한 백라이트 유닛 및 액정 표시 장치
CN103105635A (zh) * 2013-02-07 2013-05-15 杭州麦乐克电子科技有限公司 滤光透镜
TWI507747B (zh) * 2014-05-16 2015-11-11 E Ink Holdings Inc 前導光模組以及具有前導光模組的電泳顯示裝置
JP6746282B2 (ja) * 2014-07-09 2020-08-26 恵和株式会社 光学シート、エッジライト型のバックライトユニット及び光学シートの製造方法
CN105223729A (zh) * 2015-11-03 2016-01-06 昆山龙腾光电有限公司 一种液晶显示装置
JP2017207736A (ja) 2016-05-16 2017-11-24 恵和株式会社 液晶表示装置用光学シート、液晶表示装置用バックライトユニット及び液晶表示装置用光学シートの製造方法
US10386567B2 (en) 2016-05-16 2019-08-20 Keiwa Inc. Optical sheet for liquid crystal display device, backlight unit for liquid crystal display device and production method of optical sheet for liquid crystal display device
JP6678638B2 (ja) * 2017-12-28 2020-04-08 恵和株式会社 バックライトユニット及び液晶表示装置
US11275205B2 (en) * 2018-07-24 2022-03-15 Nanosys, Inc. Methods of improving efficiency of displays using quantum dots with integrated optical elements
CN113825641B (zh) * 2019-05-13 2023-10-31 大日本印刷株式会社 阻隔膜、使用其的波长转换片以及使用其的显示装置
JP7374748B2 (ja) * 2019-12-16 2023-11-07 恵和株式会社 光拡散シート及び液晶表示装置用バックライトユニット

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1828343A (zh) * 2005-01-06 2006-09-06 吉田实 光扩散片及使用该光扩散片的背光单元
TWI263821B (en) * 2001-02-22 2006-10-11 Keiwa Inc Light diffusion sheet and backlight unit using the same
CN1847955A (zh) * 2005-03-18 2006-10-18 东丽世韩有限公司 具有气孔的散光膜
CN1928592A (zh) * 2005-09-05 2007-03-14 东丽世韩有限公司 光漫射薄膜
TW200712659A (en) * 2005-08-30 2007-04-01 Keiwa Inc Substrate film for optical sheet, optical sheet and backlight unit
TW200734755A (en) * 2006-03-06 2007-09-16 Exploit Technology Co Ltd Light scattering film for direct-in and embedded backlight module, method of making the film, and backlight module and display device using the film
TW200809347A (en) * 2006-04-18 2008-02-16 Keiwa Inc Liquid crystal display module
CN101149515A (zh) * 2006-09-22 2008-03-26 宣茂科技股份有限公司 应用光学膜片组合的背光模块
TW200819470A (en) * 2006-08-21 2008-05-01 Nippon Catalytic Chem Ind Microparticle, process for producing microparticle, and, loaded with the microparticle, resin composition and optical film
TW200829962A (en) * 2006-10-27 2008-07-16 Toray Industries White polyester film for light reflecting plate

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3119846B2 (ja) * 1998-09-17 2000-12-25 恵和株式会社 光拡散シート及びこれを用いたバックライトユニット
JP4686016B2 (ja) * 2000-09-26 2011-05-18 恵和株式会社 光拡散シート及びこれを用いたバックライトユニット
JP2002148416A (ja) * 2001-08-30 2002-05-22 Keiwa Inc 光拡散シート
JP4451619B2 (ja) * 2003-08-29 2010-04-14 恵和株式会社 光拡散シート及びこれを用いたバックライトユニット
JP4074847B2 (ja) * 2003-09-30 2008-04-16 恵和株式会社 光学シート及びこれを用いたバックライトユニット
JP2005266231A (ja) * 2004-03-18 2005-09-29 Konica Minolta Opto Inc 光学フィルム、偏光板及び画像表示装置
CN100510790C (zh) * 2005-03-30 2009-07-08 大日本油墨化学工业株式会社 光扩散膜
JP5102951B2 (ja) * 2005-10-14 2012-12-19 株式会社ジロオコーポレートプラン 光拡散シート及びこれを用いたバックライトユニット
JP4174739B2 (ja) * 2006-10-30 2008-11-05 東洋紡績株式会社 ハードコートフィルム、光学機能性フィルム、およびそれを得るための密着性改質基材フィルム

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI263821B (en) * 2001-02-22 2006-10-11 Keiwa Inc Light diffusion sheet and backlight unit using the same
CN1828343A (zh) * 2005-01-06 2006-09-06 吉田实 光扩散片及使用该光扩散片的背光单元
CN1847955A (zh) * 2005-03-18 2006-10-18 东丽世韩有限公司 具有气孔的散光膜
TW200712659A (en) * 2005-08-30 2007-04-01 Keiwa Inc Substrate film for optical sheet, optical sheet and backlight unit
CN1928592A (zh) * 2005-09-05 2007-03-14 东丽世韩有限公司 光漫射薄膜
TW200734755A (en) * 2006-03-06 2007-09-16 Exploit Technology Co Ltd Light scattering film for direct-in and embedded backlight module, method of making the film, and backlight module and display device using the film
TW200809347A (en) * 2006-04-18 2008-02-16 Keiwa Inc Liquid crystal display module
TW200819470A (en) * 2006-08-21 2008-05-01 Nippon Catalytic Chem Ind Microparticle, process for producing microparticle, and, loaded with the microparticle, resin composition and optical film
CN101149515A (zh) * 2006-09-22 2008-03-26 宣茂科技股份有限公司 应用光学膜片组合的背光模块
TW200829962A (en) * 2006-10-27 2008-07-16 Toray Industries White polyester film for light reflecting plate

Also Published As

Publication number Publication date
KR20100009485A (ko) 2010-01-27
KR101056638B1 (ko) 2011-08-12
TW201005374A (en) 2010-02-01
CN101630030B (zh) 2011-12-14
JP2010026231A (ja) 2010-02-04
CN101630030A (zh) 2010-01-20

Similar Documents

Publication Publication Date Title
TWI406050B (zh) Optical sheet and the use of its backlight unit
TWI406051B (zh) Substrate sheet for optical sheet
TWI434082B (zh) A light guide sheet and a backlight unit using the same
KR101167231B1 (ko) 직하형 액정표시장치용 광학 시트 및 백라이트 유닛
JP5102951B2 (ja) 光拡散シート及びこれを用いたバックライトユニット
TWI416172B (zh) An optical sheet and a backlight unit using the same
KR100794666B1 (ko) 광학 시트용 기재 필름, 광학 시트 및 백라이트 유닛
TWI315016B (ko)
US8928843B2 (en) Liquid crystal display module comprising a transparent media layer interposed between a reflection polarizing plate and an optical sheet
TWI436102B (zh) An optical unit and a backlight unit using the optical unit
JP5149916B2 (ja) 光学用マットフィルム
JP2005107553A (ja) 光拡散シート及びこれを用いたバックライトユニット
JP2007304219A (ja) 光学シート用基材フィルム、光学シート及び液晶表示モジュール
JP5700777B2 (ja) 光学シート及びこれを用いたバックライトユニット
JP4681791B2 (ja) 反射シート及びこれを用いたバックライトユニット
JP2006026973A (ja) 耐熱性基板及びこれを用いた光学シート
JP4800549B2 (ja) 光学シート及びこれを用いたバックライトユニット
JP4316280B2 (ja) 光学ユニット及びこれを用いたバックライトユニット
TWI421259B (zh) 可聚合組合物及其用途
JP2009265613A (ja) レンズシート、面光源装置および液晶表示装置