TWI338180B - - Google Patents

Download PDF

Info

Publication number
TWI338180B
TWI338180B TW095112706A TW95112706A TWI338180B TW I338180 B TWI338180 B TW I338180B TW 095112706 A TW095112706 A TW 095112706A TW 95112706 A TW95112706 A TW 95112706A TW I338180 B TWI338180 B TW I338180B
Authority
TW
Taiwan
Prior art keywords
diffusing plate
substrate
plate according
elongated holes
light
Prior art date
Application number
TW095112706A
Other languages
English (en)
Chinese (zh)
Other versions
TW200739203A (en
Inventor
Shen Yin Tsai
His Hsin Shih
Shihkai Cheng
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
Priority to TW095112706A priority Critical patent/TW200739203A/zh
Priority to US11/696,171 priority patent/US20070236944A1/en
Priority to JP2007100739A priority patent/JP2007279746A/ja
Publication of TW200739203A publication Critical patent/TW200739203A/zh
Application granted granted Critical
Publication of TWI338180B publication Critical patent/TWI338180B/zh

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • 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
    • G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • G02B5/0247—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of voids or pores
    • 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
    • G02B5/0257—Diffusing elements; Afocal elements characterised by the diffusing properties creating an anisotropic diffusion characteristic, i.e. distributing output differently in two perpendicular axes
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/30—Use 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)
TW095112706A 2006-04-10 2006-04-10 Diffuser plate TW200739203A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
TW095112706A TW200739203A (en) 2006-04-10 2006-04-10 Diffuser plate
US11/696,171 US20070236944A1 (en) 2006-04-10 2007-04-03 Light diffuser plate
JP2007100739A JP2007279746A (ja) 2006-04-10 2007-04-06 光拡散板及びバックライトユニット

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
TW200739203A TW200739203A (en) 2007-10-16
TWI338180B true TWI338180B (https=) 2011-03-01

Family

ID=38575044

Family Applications (1)

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

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

Family Cites Families (9)

* 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
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
JP2006119631A (ja) * 2004-09-27 2006-05-11 Sumitomo Chemical Co Ltd 光拡散板
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

Also Published As

Publication number Publication date
JP2007279746A (ja) 2007-10-25
TW200739203A (en) 2007-10-16
US20070236944A1 (en) 2007-10-11

Similar Documents

Publication Publication Date Title
TWI378270B (en) Diffuser prism sheet comprising light diffuser in the valley of prism and lcd back light unit thereby
CN102081177B (zh) 一种光学扩散膜及使用该光学扩散膜的液晶显示背光源
TWI494615B (zh) 稍具表面粗度之稜形片
CN102798908B (zh) 一种扩散板、直下式背光模组及显示装置
CN101253363A (zh) 正下型背光灯装置
CN1839279A (zh) 面光源装置
CN102998841A (zh) 一种显示基板和具有该显示基板的显示装置
JP2010526333A5 (https=)
TWI240829B (en) Light-guide type diffusive uniform light device
CN101630092A (zh) 光学膜片及其应用的背光模块
CN101620283A (zh) 背光模组及其扩散板
CN102853343B (zh) 一种直下式背光源及显示装置
TWI338180B (https=)
CN101261329A (zh) 扩散板
CN101587203B (zh) 背光模组及其光学板
TWM409450U (en) Light guide plate with inner laser engraving
CN101625481A (zh) 背光模组及其扩散板
CN100363815C (zh) 背光模组及其导光板
TWM565324U (zh) Thin planar light source device with light entering directly under the side
CN201028402Y (zh) 面光源的光均匀元件
TWI287110B (en) Optical modulation element
CN101609231B (zh) 背光模组及其光学板
CN101359063A (zh) 液晶显示装置及其棱镜片
TWI359990B (https=)
TW201017282A (en) Method and structure of light-emitting uniformity for backlight module

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees