CN101300451A - 正下型背光装置 - Google Patents

正下型背光装置 Download PDF

Info

Publication number
CN101300451A
CN101300451A CNA2006800413652A CN200680041365A CN101300451A CN 101300451 A CN101300451 A CN 101300451A CN A2006800413652 A CNA2006800413652 A CN A2006800413652A CN 200680041365 A CN200680041365 A CN 200680041365A CN 101300451 A CN101300451 A CN 101300451A
Authority
CN
China
Prior art keywords
light
prism
plane
wire
linear
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CNA2006800413652A
Other languages
English (en)
Chinese (zh)
Inventor
草野贤次
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zeon Corp
Original Assignee
Nippon Zeon 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 Nippon Zeon Co Ltd filed Critical Nippon Zeon Co Ltd
Publication of CN101300451A publication Critical patent/CN101300451A/zh
Pending legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • 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
    • 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
    • G02B5/0231—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 microprismatic or micropyramidal shape
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • 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
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • 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)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)
CNA2006800413652A 2005-11-11 2006-10-27 正下型背光装置 Pending CN101300451A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP327322/2005 2005-11-11
JP2005327322 2005-11-11

Publications (1)

Publication Number Publication Date
CN101300451A true CN101300451A (zh) 2008-11-05

Family

ID=38023121

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2006800413652A Pending CN101300451A (zh) 2005-11-11 2006-10-27 正下型背光装置

Country Status (5)

Country Link
JP (1) JPWO2007055115A1 (ja)
KR (1) KR20080077105A (ja)
CN (1) CN101300451A (ja)
TW (1) TW200730884A (ja)
WO (1) WO2007055115A1 (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104048263A (zh) * 2014-05-30 2014-09-17 京东方科技集团股份有限公司 光传导装置、背光模组及显示装置
CN104076418A (zh) * 2013-03-29 2014-10-01 海洋王（东莞）照明科技有限公司 透镜结构及其led灯具
CN105116477A (zh) * 2015-09-28 2015-12-02 京东方科技集团股份有限公司 光学元件、导光板、棱镜、背光模组及显示装置
CN105445829A (zh) * 2016-01-08 2016-03-30 京东方光科技有限公司 棱镜膜、导光板、背光模组及显示装置
WO2021217406A1 (zh) * 2020-04-28 2021-11-04 深圳市汇顶科技股份有限公司 光学扩散片、光源装置及距离测量装置
CN115407561A (zh) * 2022-09-22 2022-11-29 上海天马微电子有限公司 分光膜、背光模组及显示装置

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090039556A (ko) * 2007-10-18 2009-04-22 (주)디노스 백라이트 유닛에 사용되는 프리즘시트 및 이를 제조하는방법
JP2009104073A (ja) * 2007-10-25 2009-05-14 Sumitomo Chemical Co Ltd 光制御板、面光源装置及び透過型画像表示装置
JP2009158135A (ja) * 2007-12-25 2009-07-16 Sumitomo Chemical Co Ltd 面光源装置及び液晶表示装置
CN101676627B (zh) * 2008-09-19 2012-05-30 义守大学 发光二极管灯管装置
TWI378300B (en) 2008-11-25 2012-12-01 Au Optronics Corp Light guide plate and backlight module
JP2010218723A (ja) * 2009-03-13 2010-09-30 Asahi Kasei Corp 照明器具
DE102012102986A1 (de) * 2012-04-05 2013-10-10 Siteco Beleuchtungstechnik Gmbh Prismenplatte mit variierenden Flankenwinkeln

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5339682A (en) * 1976-09-21 1978-04-11 Matsushita Electric Works Ltd Cover for lighting apparatus
JP4437024B2 (ja) * 2003-10-01 2010-03-24 日本ライツ株式会社 平面照明装置
JP4397910B2 (ja) * 2005-05-20 2010-01-13 住友化学株式会社 面光源装置及び透過型画像表示装置

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104076418A (zh) * 2013-03-29 2014-10-01 海洋王（东莞）照明科技有限公司 透镜结构及其led灯具
CN104048263A (zh) * 2014-05-30 2014-09-17 京东方科技集团股份有限公司 光传导装置、背光模组及显示装置
CN104048263B (zh) * 2014-05-30 2016-03-09 京东方科技集团股份有限公司 光传导装置、背光模组及显示装置
US9625634B2 (en) 2014-05-30 2017-04-18 Boe Technology Group Co., Ltd. Light conducting device, backlight module and display device
CN105116477A (zh) * 2015-09-28 2015-12-02 京东方科技集团股份有限公司 光学元件、导光板、棱镜、背光模组及显示装置
WO2017054382A1 (zh) * 2015-09-28 2017-04-06 京东方科技集团股份有限公司 光学元件、导光板、棱镜、背光模组及显示装置
US10132966B2 (en) 2015-09-28 2018-11-20 Boe Technology Group Co., Ltd. Optical element including strip-shaped prisms, light guide plate, prism, backlight module and display device
CN105445829A (zh) * 2016-01-08 2016-03-30 京东方光科技有限公司 棱镜膜、导光板、背光模组及显示装置
WO2017118033A1 (zh) * 2016-01-08 2017-07-13 京东方科技集团股份有限公司 棱镜膜、导光板、背光模组及显示装置
US10571620B2 (en) 2016-01-08 2020-02-25 Boe Technology Group Co., Ltd. Prism film, light guide plate, backlight module and display apparatus
WO2021217406A1 (zh) * 2020-04-28 2021-11-04 深圳市汇顶科技股份有限公司 光学扩散片、光源装置及距离测量装置
CN115407561A (zh) * 2022-09-22 2022-11-29 上海天马微电子有限公司 分光膜、背光模组及显示装置

Also Published As

Publication number Publication date
TW200730884A (en) 2007-08-16
JPWO2007055115A1 (ja) 2009-04-30
KR20080077105A (ko) 2008-08-21
WO2007055115A1 (ja) 2007-05-18

Similar Documents

Publication Publication Date Title
CN101300451A (zh) 正下型背光装置
CN101253363B (zh) 正下型背光灯装置
CN101606020B (zh) 面光源和使用其的液晶显示装置
CN101749599A (zh) 正下式背光装置
CN101006307A (zh) 正下式背光装置
WO2007049618A1 (ja) 光拡散板及び直下型バックライト装置
CN102265084A (zh) 面光源元件及具备该面光源元件的图像显示装置
JPWO2007114158A1 (ja) 直下型バックライト装置
WO2010010840A1 (ja) 光拡散板、光拡散板の製造方法、面光源装置、及び表示装置
JP2012234047A (ja) 光学シート、及び該光学シートを用いた面状光源装置
CN101501389A (zh) 直下型背光源装置
JPWO2008050763A1 (ja) 直下型バックライト装置
TWI241424B (en) Light deflecting device and illuminating apparatus
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
JP2006310150A (ja) 直下型バックライト装置
JP2007163810A (ja) 光拡散板および直下型バックライト装置
CN100538152C (zh) 照明装置及用于该照明装置的光控制构件以及使用这些装置的图像显示装置
KR101077993B1 (ko) 압출인각 방식에 의한 도광판 제조방법
JP2008091114A (ja) 直下型バックライト装置及びディスプレイ装置
JP5791386B2 (ja) 直下型点光源バックライト装置
JP2008071716A (ja) 直下型バックライト装置
JP2010231194A (ja) 光学シートおよび当該光学シートの製造方法、ならびに当該光学シートを含む光源装置、表示装置
JP2012013755A (ja) 光学シート、バックライトユニット、表示装置、及び光学シート製造用金型
JP2008091113A (ja) 直下型バックライト装置
JP2007192950A (ja) 光拡散板および直下型バックライト装置

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Open date: 20081105