HK1114425A1 - Diffuser for light from light source array and displays incorporating same - Google Patents

Diffuser for light from light source array and displays incorporating same

Info

Publication number
HK1114425A1
HK1114425A1 HK08104342.9A HK08104342A HK1114425A1 HK 1114425 A1 HK1114425 A1 HK 1114425A1 HK 08104342 A HK08104342 A HK 08104342A HK 1114425 A1 HK1114425 A1 HK 1114425A1
Authority
HK
Hong Kong
Prior art keywords
light
emitted
display
diffuser
source array
Prior art date
Application number
HK08104342.9A
Other languages
English (en)
Inventor
Lorne A Whitehead
Original Assignee
Dolby Lab Licensing Corp
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 Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of HK1114425A1 publication Critical patent/HK1114425A1/xx

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
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0409—Arrangements for homogeneous illumination of the display surface, e.g. using a layer having a non-uniform transparency
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
    • 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
    • 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
    • G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Polarising Elements (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Details Of Measuring Devices (AREA)
HK08104342.9A 2004-07-27 2008-04-17 Diffuser for light from light source array and displays incorporating same HK1114425A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US59108704P 2004-07-27 2004-07-27
PCT/CA2005/001111 WO2006010249A1 (en) 2004-07-27 2005-07-15 Diffuser for light from light source array and displays incorporating same

Publications (1)

Publication Number Publication Date
HK1114425A1 true HK1114425A1 (en) 2008-10-31

Family

ID=35785868

Family Applications (1)

Application Number Title Priority Date Filing Date
HK08104342.9A HK1114425A1 (en) 2004-07-27 2008-04-17 Diffuser for light from light source array and displays incorporating same

Country Status (9)

Country Link
US (4) US7583331B2 (zh)
EP (2) EP2381278B1 (zh)
JP (4) JP5032315B2 (zh)
KR (1) KR101136587B1 (zh)
CN (1) CN101057162B (zh)
AT (1) ATE525665T1 (zh)
CA (1) CA2573689C (zh)
HK (1) HK1114425A1 (zh)
WO (1) WO2006010249A1 (zh)

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Also Published As

Publication number Publication date
JP5032315B2 (ja) 2012-09-26
CN101057162B (zh) 2011-02-16
EP2381278A3 (en) 2012-02-29
EP1779153B1 (en) 2011-09-21
ATE525665T1 (de) 2011-10-15
EP2381278B1 (en) 2017-10-25
US20120257143A1 (en) 2012-10-11
EP1779153A4 (en) 2009-10-21
US20070268461A1 (en) 2007-11-22
US7583331B2 (en) 2009-09-01
US20110227898A1 (en) 2011-09-22
KR20070049147A (ko) 2007-05-10
US8212966B2 (en) 2012-07-03
KR101136587B1 (ko) 2012-04-18
US8692956B2 (en) 2014-04-08
JP2012181535A (ja) 2012-09-20
CA2573689A1 (en) 2006-02-02
EP2381278A2 (en) 2011-10-26
JP6087893B2 (ja) 2017-03-01
WO2006010249A1 (en) 2006-02-02
JP2008507737A (ja) 2008-03-13
JP2011242802A (ja) 2011-12-01
JP5819770B2 (ja) 2015-11-24
US20080291362A1 (en) 2008-11-27
CN101057162A (zh) 2007-10-17
US7973878B2 (en) 2011-07-05
CA2573689C (en) 2012-09-18
EP1779153A1 (en) 2007-05-02
JP2015111572A (ja) 2015-06-18
JP5622683B2 (ja) 2014-11-12

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