JP2007279746A - 光拡散板及びバックライトユニット - Google Patents

光拡散板及びバックライトユニット Download PDF

Info

Publication number
JP2007279746A
JP2007279746A JP2007100739A JP2007100739A JP2007279746A JP 2007279746 A JP2007279746 A JP 2007279746A JP 2007100739 A JP2007100739 A JP 2007100739A JP 2007100739 A JP2007100739 A JP 2007100739A JP 2007279746 A JP2007279746 A JP 2007279746A
Authority
JP
Japan
Prior art keywords
base sheet
light
plate according
light diffusing
diffusing plate
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
JP2007100739A
Other languages
English (en)
Japanese (ja)
Inventor
Shen-Yin Tsai
昇穎 蔡
Kigen Se
希弦 施
Shih-Kai Cheng
世楷 鄭
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.)
Chi Lin Technology Co Ltd
Original Assignee
Chi Lin Technology 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 Chi Lin Technology Co Ltd filed Critical Chi Lin Technology Co Ltd
Publication of JP2007279746A publication Critical patent/JP2007279746A/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • 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
    • G02B5/0236Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • G02B5/0247Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of voids or pores
    • 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
    • G02B5/0257Diffusing elements; Afocal elements characterised by the diffusing properties creating an anisotropic diffusion characteristic, i.e. distributing output differently in two perpendicular axes
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • G02B5/0273Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278Diffusing elements; Afocal elements characterized by the use used in transmission
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133606Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V2200/00Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/30Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides doped with fluorescent agents

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
JP2007100739A 2006-04-10 2007-04-06 光拡散板及びバックライトユニット Pending JP2007279746A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW095112706A TW200739203A (en) 2006-04-10 2006-04-10 Diffuser plate

Publications (1)

Publication Number Publication Date
JP2007279746A true JP2007279746A (ja) 2007-10-25

Family

ID=38575044

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007100739A Pending JP2007279746A (ja) 2006-04-10 2007-04-06 光拡散板及びバックライトユニット

Country Status (3)

Country Link
US (1) US20070236944A1 (https=)
JP (1) JP2007279746A (https=)
TW (1) TW200739203A (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200951566A (en) * 2009-07-29 2009-12-16 Global Lighting Technologies Taiwan Inc Method of improving backlight module dark band
CN104950510A (zh) * 2015-07-06 2015-09-30 张家港康得新光电材料有限公司 光学薄膜及背光单元
CN213513426U (zh) * 2020-11-10 2021-06-22 欧普照明股份有限公司 光学器件及照明灯具
CN115407439A (zh) * 2022-09-14 2022-11-29 马鞍山晶智科技有限公司 一种扩散增亮复合膜片及背光模组

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0933705A (ja) * 1995-07-20 1997-02-07 Sekisui Chem Co Ltd 光制御シート
JP2006119631A (ja) * 2004-09-27 2006-05-11 Sumitomo Chemical Co Ltd 光拡散板

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5825543A (en) * 1996-02-29 1998-10-20 Minnesota Mining And Manufacturing Company Diffusely reflecting polarizing element including a first birefringent phase and a second phase
US6256146B1 (en) * 1998-07-31 2001-07-03 3M Innovative Properties Post-forming continuous/disperse phase optical bodies
AU2515200A (en) * 1999-09-20 2001-04-24 3M Innovative Properties Company Optical films having at least one particle-containing layer
US7327415B2 (en) * 2001-12-14 2008-02-05 Rohm And Haas Denmark Finance A/S Microvoided light diffuser
WO2006055872A2 (en) * 2004-11-17 2006-05-26 Fusion Optix, Inc. Enhanced light fixture
US7406239B2 (en) * 2005-02-28 2008-07-29 3M Innovative Properties Company Optical elements containing a polymer fiber weave
US20070236939A1 (en) * 2006-03-31 2007-10-11 3M Innovative Properties Company Structured Composite Optical Films

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0933705A (ja) * 1995-07-20 1997-02-07 Sekisui Chem Co Ltd 光制御シート
JP2006119631A (ja) * 2004-09-27 2006-05-11 Sumitomo Chemical Co Ltd 光拡散板

Also Published As

Publication number Publication date
TWI338180B (https=) 2011-03-01
TW200739203A (en) 2007-10-16
US20070236944A1 (en) 2007-10-11

Similar Documents

Publication Publication Date Title
KR100864321B1 (ko) 프리즘 계곡부위에 무정형의 돌기형상을 가지는 광확산체를포함하는 디퓨져 프리즘 시트 및 이를 이용한액정표시장치
KR100912260B1 (ko) 표면에 일정 조도를 갖는 액정표시장치용 광학 프리즘 시트
JP3769327B2 (ja) プリズムレンズシート、バックライトシステム及び液晶表示装置
JP2007304553A (ja) プリズムシート、それを備えたバックライトユニット及び液晶表示装置
US6971782B2 (en) Illumination device and liquid crystal display device
CN102798908B (zh) 一种扩散板、直下式背光模组及显示装置
JP2008146036A (ja) 光学板
CN101639201A (zh) 光学片及其制造方法
KR102303583B1 (ko) 백라이트 유닛 및 액정 표시 장치
KR20080044176A (ko) 광 확산판, 면광원 디바이스 및 액정 표시 장치
JPWO2018155304A1 (ja) 輝度均一化部材、バックライトユニットおよび液晶表示装置
CN103511925A (zh) 薄型直下式背光模块
JP5089960B2 (ja) 面光源装置とこれを備えたバックライトユニット、及びこのバックライトユニットを備えた液晶表示装置
JP2007279746A (ja) 光拡散板及びバックライトユニット
JP2001235606A (ja) 反射機能及び透過機能を有する光学部材
CN101770109A (zh) 液晶显示器
JP2008298839A (ja) 光学シート、それを用いたバックライトユニット、およびディスプレイ装置
JP2010192246A (ja) 光拡散板、光学シート、バックライトユニットおよびディスプレイ装置
JP4363097B2 (ja) 光学機能性シートおよび直下型バックライトの製造方法
JP5012221B2 (ja) バックライトユニット、およびディスプレイ装置
CN101201416A (zh) 导光板装置
CN101625434A (zh) 背光模组及其光学板
TW201007286A (en) Backlight module and light-mixing structure thereof
CN101625481A (zh) 背光模组及其扩散板
KR20010046581A (ko) 표시 장치용 백라이트 장치

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20090115

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20110523

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20110607

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20111108