TWI512346B - Ultra-thin LCD backlight with light guide film, ultra-thin LCD backlight unit and portable computer - Google Patents

Ultra-thin LCD backlight with light guide film, ultra-thin LCD backlight unit and portable computer Download PDF

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Publication number
TWI512346B
TWI512346B TW103106229A TW103106229A TWI512346B TW I512346 B TWI512346 B TW I512346B TW 103106229 A TW103106229 A TW 103106229A TW 103106229 A TW103106229 A TW 103106229A TW I512346 B TWI512346 B TW I512346B
Authority
TW
Taiwan
Prior art keywords
light guiding
guiding film
light
liquid crystal
ultra
Prior art date
Application number
TW103106229A
Other languages
English (en)
Chinese (zh)
Other versions
TW201433840A (zh
Inventor
Motohiko Okabe
Original Assignee
Keiwa 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 Keiwa Inc filed Critical Keiwa Inc
Publication of TW201433840A publication Critical patent/TW201433840A/zh
Application granted granted Critical
Publication of TWI512346B publication Critical patent/TWI512346B/zh

Links

Classifications

    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Liquid Crystal (AREA)
TW103106229A 2013-02-25 2014-02-25 Ultra-thin LCD backlight with light guide film, ultra-thin LCD backlight unit and portable computer TWI512346B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013035188A JP6293414B2 (ja) 2013-02-25 2013-02-25 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

Publications (2)

Publication Number Publication Date
TW201433840A TW201433840A (zh) 2014-09-01
TWI512346B true TWI512346B (zh) 2015-12-11

Family

ID=51368245

Family Applications (1)

Application Number Title Priority Date Filing Date
TW103106229A TWI512346B (zh) 2013-02-25 2014-02-25 Ultra-thin LCD backlight with light guide film, ultra-thin LCD backlight unit and portable computer

Country Status (4)

Country Link
JP (1) JP6293414B2 (ja)
KR (2) KR20140106418A (ja)
CN (1) CN104007504B (ja)
TW (1) TWI512346B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015122768A1 (de) * 2015-12-23 2017-06-29 Temicon Gmbh Plattenförmiges optisches Element zur Auskopplung von Licht
CN108469703A (zh) * 2018-03-23 2018-08-31 惠州市华星光电技术有限公司 液晶显示器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200817793A (en) * 2006-09-15 2008-04-16 Kuraray Co Area light source element, light control element used in the area light source element, and image display device using the area light source element
TW200912403A (en) * 2007-07-24 2009-03-16 Nitto Denko Corp Optical film, polarizing plate, and image display device
TW201303391A (zh) * 2011-04-12 2013-01-16 Keiwa Inc 光學膜、光學片和液晶顯示模組

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0632922A (ja) * 1992-07-20 1994-02-08 Kayo Mitani 光透過材料の高エネルギー光を用いた加工方法
JP2000321441A (ja) * 1999-05-10 2000-11-24 Kuraray Co Ltd 導光板
JP4217862B2 (ja) * 2001-06-27 2009-02-04 日本ゼオン株式会社 積層体及び光反射シート
JP2005314712A (ja) * 2004-04-27 2005-11-10 Osaka Gas Co Ltd 金属微粒子生成用組成物および金属微粒子
JP2009080374A (ja) * 2007-09-27 2009-04-16 Toppan Printing Co Ltd 光学シートとそれを用いたバックライトユニット
JPWO2009099219A1 (ja) * 2008-02-07 2011-06-02 ソニー株式会社 導光板、面発光装置、液晶表示装置及び導光板の製造方法
JP2009191194A (ja) * 2008-02-15 2009-08-27 Jsr Corp ポリカーボネートの製造方法
JP5296405B2 (ja) * 2008-03-31 2013-09-25 出光興産株式会社 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
JP5357462B2 (ja) * 2008-08-12 2013-12-04 住友化学株式会社 導光板
JP5334561B2 (ja) * 2008-12-22 2013-11-06 住友電気工業株式会社 表面被覆切削工具
JP5437652B2 (ja) * 2009-01-30 2014-03-12 恵和株式会社 導光シート及びこれを用いたバックライトユニット
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200817793A (en) * 2006-09-15 2008-04-16 Kuraray Co Area light source element, light control element used in the area light source element, and image display device using the area light source element
TW200912403A (en) * 2007-07-24 2009-03-16 Nitto Denko Corp Optical film, polarizing plate, and image display device
TW201303391A (zh) * 2011-04-12 2013-01-16 Keiwa Inc 光學膜、光學片和液晶顯示模組

Also Published As

Publication number Publication date
KR20140106418A (ko) 2014-09-03
TW201433840A (zh) 2014-09-01
KR101924223B1 (ko) 2018-12-03
JP2014164135A (ja) 2014-09-08
CN104007504B (zh) 2017-01-18
CN104007504A (zh) 2014-08-27
KR20160029772A (ko) 2016-03-15
JP6293414B2 (ja) 2018-03-14

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