JP5075190B2 - 面光源装置、透過型画像表示装置、及び、光源 - Google Patents

面光源装置、透過型画像表示装置、及び、光源 Download PDF

Info

Publication number
JP5075190B2
JP5075190B2 JP2009286624A JP2009286624A JP5075190B2 JP 5075190 B2 JP5075190 B2 JP 5075190B2 JP 2009286624 A JP2009286624 A JP 2009286624A JP 2009286624 A JP2009286624 A JP 2009286624A JP 5075190 B2 JP5075190 B2 JP 5075190B2
Authority
JP
Japan
Prior art keywords
light
light source
source device
light sources
front luminance
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.)
Expired - Fee Related
Application number
JP2009286624A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011129371A (ja
Inventor
裕次郎 川口
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo 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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP2009286624A priority Critical patent/JP5075190B2/ja
Priority to PCT/JP2010/072691 priority patent/WO2011074644A1/ja
Priority to TW99144557A priority patent/TW201207292A/zh
Publication of JP2011129371A publication Critical patent/JP2011129371A/ja
Application granted granted Critical
Publication of JP5075190B2 publication Critical patent/JP5075190B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • G02F1/133611—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
    • G02F1/133603—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
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)
JP2009286624A 2009-12-17 2009-12-17 面光源装置、透過型画像表示装置、及び、光源 Expired - Fee Related JP5075190B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009286624A JP5075190B2 (ja) 2009-12-17 2009-12-17 面光源装置、透過型画像表示装置、及び、光源
PCT/JP2010/072691 WO2011074644A1 (ja) 2009-12-17 2010-12-16 面光源装置、透過型画像表示装置、及び、光源
TW99144557A TW201207292A (en) 2009-12-17 2010-12-17 Surface light source device, transparent image display device, and light source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009286624A JP5075190B2 (ja) 2009-12-17 2009-12-17 面光源装置、透過型画像表示装置、及び、光源

Publications (2)

Publication Number Publication Date
JP2011129371A JP2011129371A (ja) 2011-06-30
JP5075190B2 true JP5075190B2 (ja) 2012-11-14

Family

ID=44167395

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009286624A Expired - Fee Related JP5075190B2 (ja) 2009-12-17 2009-12-17 面光源装置、透過型画像表示装置、及び、光源

Country Status (3)

Country Link
JP (1) JP5075190B2 (zh)
TW (1) TW201207292A (zh)
WO (1) WO2011074644A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6091559B2 (ja) * 2014-10-20 2017-03-08 キヤノン株式会社 光源装置及び画像表示装置
EP3273297B1 (en) 2016-07-20 2021-05-26 Nichia Corporation Light emitting device
JP6436193B2 (ja) * 2016-07-20 2018-12-12 日亜化学工業株式会社 発光装置
WO2023133687A1 (en) * 2022-01-11 2023-07-20 Hefei Raysees Ai Technology Co., Ltd. Backlight module and display device ii
WO2023150909A1 (en) * 2022-02-08 2023-08-17 Hefei Raysees Ai Technology Co., Ltd. Backlight module and display device iii

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI282022B (en) * 2003-03-31 2007-06-01 Sharp Kk Surface lighting device and liquid crystal display device using the same
JP2008293858A (ja) * 2007-05-25 2008-12-04 Showa Denko Kk 発光装置、表示装置
JP4640444B2 (ja) * 2007-07-24 2011-03-02 ソニー株式会社 照明装置および表示装置
CN101925775B (zh) * 2008-04-02 2012-04-25 夏普株式会社 照明装置和显示装置

Also Published As

Publication number Publication date
JP2011129371A (ja) 2011-06-30
WO2011074644A1 (ja) 2011-06-23
TW201207292A (en) 2012-02-16

Similar Documents

Publication Publication Date Title
US10036846B2 (en) Backlight module, driving method thereof, and display apparatus using the backlight module
US7798696B2 (en) Illumination device for liquid crystal display
US20050135118A1 (en) Optical material, optical element, illuminator and display device
KR100790497B1 (ko) 직하형 백라이트 장치
TW200538814A (en) Planar light device
WO2007119584A1 (ja) 液晶表示装置
JP5075190B2 (ja) 面光源装置、透過型画像表示装置、及び、光源
US20070217226A1 (en) Light guide plate with light diffusing cutout and backlight module using the same
JP4779893B2 (ja) 面光源装置と透過型表示装置
US8075151B2 (en) Surface light source device and image display device
US20190108786A1 (en) Backlight unit
US7722240B2 (en) Surface light source device and transmission display device
RU2478872C2 (ru) Устройство освещения, устройство отображения и телевизионный приемник
US7819543B2 (en) Optical unit, backlight device, liquid crystal module and liquid crystal display apparatus
JP2009053623A (ja) レンズシート、ディスプレイ用光学シート及びそれを用いたバックライト・ユニット、ディスプレイ装置
US20120170254A1 (en) Light source lens, light source module having the same and backlight assembly having the light source module
WO2016183909A1 (zh) 背光模组及液晶显示装置
TW201222030A (en) Optical sheet, area light source device, and transmission image display device
JP2010250987A (ja) 光均一素子、光学シート、バックライトユニット及びディスプレイ装置
JP4894019B2 (ja) 光学ユニット、バックライト装置、液晶モジュール、及び液晶ディスプレイ
JP2007057871A (ja) 光学シートおよびディスプレイ用バックライト・ユニット
US9477114B2 (en) Direct type backlight module and liquid crystal display device having same
JP6086766B2 (ja) 面状発光装置および液晶表示装置
KR20080103693A (ko) 백라이트 유닛
KR100742726B1 (ko) 백라이트 유닛

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20110607

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20120814

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20120824

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20150831

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees