TWI427330B - An optical element having a light source unit and a liquid crystal display device - Google Patents

An optical element having a light source unit and a liquid crystal display device Download PDF

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Publication number
TWI427330B
TWI427330B TW098108646A TW98108646A TWI427330B TW I427330 B TWI427330 B TW I427330B TW 098108646 A TW098108646 A TW 098108646A TW 98108646 A TW98108646 A TW 98108646A TW I427330 B TWI427330 B TW I427330B
Authority
TW
Taiwan
Prior art keywords
light
microlens
light source
distance
sheet
Prior art date
Application number
TW098108646A
Other languages
English (en)
Chinese (zh)
Other versions
TW200951504A (en
Inventor
Hideki Hayashi
Makoto Hishida
Original Assignee
Sekisui Chemical Co Ltd
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 Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Publication of TW200951504A publication Critical patent/TW200951504A/zh
Application granted granted Critical
Publication of TWI427330B publication Critical patent/TWI427330B/zh

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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
    • G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0056—Arrays characterized by the distribution or form of lenses arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
    • 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
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • G02F1/133604—Direct backlight with lamps
    • 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
    • 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
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

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)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
TW098108646A 2008-03-18 2009-03-17 An optical element having a light source unit and a liquid crystal display device TWI427330B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008069828 2008-03-18

Publications (2)

Publication Number Publication Date
TW200951504A TW200951504A (en) 2009-12-16
TWI427330B true TWI427330B (zh) 2014-02-21

Family

ID=41090861

Family Applications (1)

Application Number Title Priority Date Filing Date
TW098108646A TWI427330B (zh) 2008-03-18 2009-03-17 An optical element having a light source unit and a liquid crystal display device

Country Status (5)

Country Link
JP (1) JP4440335B2 (ja)
KR (1) KR20100126393A (ja)
CN (1) CN101978293A (ja)
TW (1) TWI427330B (ja)
WO (1) WO2009116458A1 (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120007944A (ko) * 2010-07-15 2012-01-25 주식회사 엘지화학 광학 성능이 향상된 광학필름 및 이를 포함하는 백라이트 유닛
KR101279483B1 (ko) 2011-06-29 2013-07-05 엘지이노텍 주식회사 광학플레이트 및 이를 이용한 조명부재
JP2013057736A (ja) * 2011-09-07 2013-03-28 Mitsubishi Rayon Co Ltd 光学フィルム及びそれを用いた光学装置
JP5851810B2 (ja) * 2011-11-25 2016-02-03 浜松ホトニクス株式会社 基準光源
KR101859413B1 (ko) 2011-12-26 2018-05-21 삼성디스플레이 주식회사 표시 모듈 및 이를 포함하는 표시 장치
CN104763899B (zh) * 2015-04-01 2017-05-17 矽照光电（厦门）有限公司 一种led灯
JP6778179B2 (ja) 2015-04-08 2020-10-28 株式会社クラレ 光拡散装置
JP6621038B2 (ja) 2015-10-09 2019-12-18 パナソニックＩｐマネジメント株式会社 光学部材およびマイクロレンズアレイ
CN108351437B (zh) * 2015-10-29 2021-12-21 迪睿合株式会社 扩散板、扩散板的设计方法、扩散板的制造方法、显示装置、投影装置和照明装置
CN106054307A (zh) * 2016-07-28 2016-10-26 滁州佳宏光电有限公司 一种具有増亮效果的导光板及其制造工艺
KR102618044B1 (ko) * 2016-08-19 2023-12-27 엘지이노텍 주식회사 광출력 모듈 및 가상 현실 디스플레이 장치
US11131883B2 (en) * 2018-06-22 2021-09-28 Minebea Mitsumi Inc. Planar lighting device
CN110208984B (zh) * 2019-05-28 2020-12-25 惠州市华星光电技术有限公司 背光结构和显示面板
CN114024207A (zh) * 2020-07-17 2022-02-08 宁波舜宇车载光学技术有限公司 发射端及制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030184993A1 (en) * 2002-03-26 2003-10-02 Katsuaki Yamada Backlight and liquid crystal display device employing it
TWI250320B (en) * 2002-11-20 2006-03-01 Hon Hai Prec Ind Co Ltd Method of manufacturing a light guide plane
US20060127030A1 (en) * 2004-12-10 2006-06-15 Hon Hai Precision Industry Co., Ltd. Light guide plate and backlight module adopting the same
JP2007335182A (ja) * 2006-06-14 2007-12-27 Kuraray Co Ltd 面光源素子並びにこれに用いる光制御部材及びこれを用いた画像表示装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10319216A (ja) * 1997-05-20 1998-12-04 Dainippon Printing Co Ltd レンズフィルム、面光源装置、及び、液晶表示装置
JP2007273380A (ja) * 2006-03-31 2007-10-18 Fujifilm Corp バックライト光源、及びバックライトユニット、並びに表示装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030184993A1 (en) * 2002-03-26 2003-10-02 Katsuaki Yamada Backlight and liquid crystal display device employing it
TWI250320B (en) * 2002-11-20 2006-03-01 Hon Hai Prec Ind Co Ltd Method of manufacturing a light guide plane
US20060127030A1 (en) * 2004-12-10 2006-06-15 Hon Hai Precision Industry Co., Ltd. Light guide plate and backlight module adopting the same
JP2007335182A (ja) * 2006-06-14 2007-12-27 Kuraray Co Ltd 面光源素子並びにこれに用いる光制御部材及びこれを用いた画像表示装置

Also Published As

Publication number Publication date
KR20100126393A (ko) 2010-12-01
JPWO2009116458A1 (ja) 2011-07-21
JP4440335B2 (ja) 2010-03-24
TW200951504A (en) 2009-12-16
WO2009116458A1 (ja) 2009-09-24
CN101978293A (zh) 2011-02-16

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