CN100465730C - 液晶显示装置 - Google Patents

液晶显示装置 Download PDF

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Publication number
CN100465730C
CN100465730C CNB2005100730293A CN200510073029A CN100465730C CN 100465730 C CN100465730 C CN 100465730C CN B2005100730293 A CNB2005100730293 A CN B2005100730293A CN 200510073029 A CN200510073029 A CN 200510073029A CN 100465730 C CN100465730 C CN 100465730C
Authority
CN
China
Prior art keywords
liquid crystal
optical plate
control element
optical control
transparent optical
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
CNB2005100730293A
Other languages
English (en)
Chinese (zh)
Other versions
CN1702520A (zh
Inventor
小金泽信之
手塚晶夫
佐藤文之
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.)
Panasonic Liquid Crystal Display Co Ltd
Japan Display Inc
Original Assignee
Hitachi Display Devices Ltd
Hitachi Displays 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 Hitachi Display Devices Ltd, Hitachi Displays Ltd filed Critical Hitachi Display Devices Ltd
Publication of CN1702520A publication Critical patent/CN1702520A/zh
Application granted granted Critical
Publication of CN100465730C publication Critical patent/CN100465730C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • G02F1/133526—Lenses, e.g. microlenses or Fresnel 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
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • 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
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/007—Incandescent lamp or gas discharge lamp
    • G02B6/0071—Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube
    • 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
    • G02F1/133504—Diffusing, scattering, diffracting elements
    • G02F1/133507—Films for enhancing the luminance
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133608—Direct backlight including particular frames or supporting means

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)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
CNB2005100730293A 2004-05-28 2005-05-27 液晶显示装置 Expired - Fee Related CN100465730C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP159611/2004 2004-05-28
JP2004159611A JP4451715B2 (ja) 2004-05-28 2004-05-28 液晶表示装置

Publications (2)

Publication Number Publication Date
CN1702520A CN1702520A (zh) 2005-11-30
CN100465730C true CN100465730C (zh) 2009-03-04

Family

ID=35492252

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005100730293A Expired - Fee Related CN100465730C (zh) 2004-05-28 2005-05-27 液晶显示装置

Country Status (3)

Country Link
US (1) US7527413B2 (enExample)
JP (1) JP4451715B2 (enExample)
CN (1) CN100465730C (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007287673A (ja) * 2006-03-23 2007-11-01 Sumitomo Chemical Co Ltd 面光源装置
JP5023666B2 (ja) * 2006-11-13 2012-09-12 住友化学株式会社 透過型画像表示装置
JP2008146025A (ja) * 2006-11-15 2008-06-26 Sumitomo Chemical Co Ltd 光拡散板及び面光源装置並びに液晶表示装置
JP4315986B2 (ja) * 2007-02-08 2009-08-19 富士通株式会社 発光ダイオードを備えた電子機器
KR20080085242A (ko) 2007-03-19 2008-09-24 삼성전자주식회사 도광판 및 이를 이용하는 백라이트 어셈블리
CN108345056A (zh) * 2018-05-17 2018-07-31 浙江彩丞照明科技有限公司 一种具有不同底角棱锥的防眩光板

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09304605A (ja) * 1996-05-15 1997-11-28 Sekisui Chem Co Ltd 光制御シートの製造方法
WO1999057485A1 (en) * 1998-04-30 1999-11-11 Casio Computer Co., Ltd. Display device using ambient light and a lighting panel

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5128783A (en) * 1990-01-31 1992-07-07 Ois Optical Imaging Systems, Inc. Diffusing/collimating lens array for a liquid crystal display
US5161041A (en) * 1990-04-26 1992-11-03 Ois Optical Imaging Systems, Inc. Lighting assembly for a backlit electronic display including an integral image splitting and collimating means
JPH06273763A (ja) 1993-03-22 1994-09-30 Sony Corp バックライトユニット
KR100897745B1 (ko) 2002-06-26 2009-05-15 삼성전자주식회사 백 라이트 어셈블리 및 이를 갖는 직하형 액정 표시 장치

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09304605A (ja) * 1996-05-15 1997-11-28 Sekisui Chem Co Ltd 光制御シートの製造方法
WO1999057485A1 (en) * 1998-04-30 1999-11-11 Casio Computer Co., Ltd. Display device using ambient light and a lighting panel

Also Published As

Publication number Publication date
US7527413B2 (en) 2009-05-05
US20060013016A1 (en) 2006-01-19
CN1702520A (zh) 2005-11-30
JP2005338611A (ja) 2005-12-08
JP4451715B2 (ja) 2010-04-14

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Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: PANASONIC LCD CO., LTD.

Free format text: FORMER OWNER: IPS ALPHA SUPPORT CO., LTD.

Owner name: IPS ALPHA SUPPORT CO., LTD.

Free format text: FORMER OWNER: HITACHI DISPLAYS DEVICE CO., LTD.

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20111019

Address after: Chiba County, Japan

Co-patentee after: Panasonic Liquid Crystal Display Co.,Ltd.

Patentee after: Hitachi Displays, Ltd.

Address before: Chiba County, Japan

Co-patentee before: IPS pioneer support society

Patentee before: Hitachi Displays, Ltd.

Effective date of registration: 20111019

Address after: Chiba County, Japan

Co-patentee after: IPS Pioneer Support Society

Patentee after: Hitachi Displays, Ltd.

Address before: Chiba County, Japan

Patentee before: Hitachi Displays, Ltd.

Effective date of registration: 20111019

Address after: Chiba County, Japan

Patentee after: Hitachi Displays, Ltd.

Address before: Chiba County, Japan

Co-patentee before: Hitachi Display Devices Ltd.

Patentee before: Hitachi Displays, Ltd.

C56 Change in the name or address of the patentee

Owner name: JAPAN DISPLAY, INC.

Free format text: FORMER NAME: APAN DISPLAY EAST, INC.

Owner name: APAN DISPLAY EAST, INC.

Free format text: FORMER NAME: HITACHI DISPLAY CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: Chiba County, Japan

Patentee after: Japan Display East Inc.

Patentee after: Panasonic Liquid Crystal Display Co.,Ltd.

Address before: Chiba County, Japan

Patentee before: Hitachi Displays, Ltd.

Patentee before: Panasonic Liquid Crystal Display Co.,Ltd.

CP03 Change of name, title or address

Address after: Tokyo port xixinqiao Japan three chome 7 No. 1

Patentee after: JAPAN DISPLAY Inc.

Patentee after: Panasonic Liquid Crystal Display Co.,Ltd.

Address before: Chiba County, Japan

Patentee before: Japan Display East Inc.

Patentee before: Panasonic Liquid Crystal Display Co.,Ltd.

EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20051130

Assignee: BOE TECHNOLOGY GROUP Co.,Ltd.

Assignor: JAPAN DISPLAY Inc.|Panasonic Liquid Crystal Display Co.,Ltd.

Contract record no.: 2013990000688

Denomination of invention: Liquid crystal display device

Granted publication date: 20090304

License type: Common License

Record date: 20131016

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090304

Termination date: 20190527