CN100422812C - 液晶显示装置 - Google Patents
液晶显示装置 Download PDFInfo
- Publication number
- CN100422812C CN100422812C CNB2005100632394A CN200510063239A CN100422812C CN 100422812 C CN100422812 C CN 100422812C CN B2005100632394 A CNB2005100632394 A CN B2005100632394A CN 200510063239 A CN200510063239 A CN 200510063239A CN 100422812 C CN100422812 C CN 100422812C
- Authority
- CN
- China
- Prior art keywords
- light
- light reflection
- liquid crystal
- crystal display
- reflection pattern
- 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 - Lifetime
Links
Images
Classifications
-
- 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
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
-
- 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
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
-
- 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
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0091—Positioning aspects of the light source relative to the light guide
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (8)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP113311/2004 | 2004-04-07 | ||
| JP2004113311A JP2005300673A (ja) | 2004-04-07 | 2004-04-07 | 液晶表示装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1680853A CN1680853A (zh) | 2005-10-12 |
| CN100422812C true CN100422812C (zh) | 2008-10-01 |
Family
ID=35067494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100632394A Expired - Lifetime CN100422812C (zh) | 2004-04-07 | 2005-04-07 | 液晶显示装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20050253980A1 (zh) |
| JP (1) | JP2005300673A (zh) |
| CN (1) | CN100422812C (zh) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4892939B2 (ja) * | 2005-11-24 | 2012-03-07 | 凸版印刷株式会社 | 液晶表示装置用バックライト導光板及びその製造方法 |
| KR100747001B1 (ko) * | 2005-11-29 | 2007-08-07 | 한국생산기술연구원 | 점광원을 이용한 도광판 및 그 제조방법 |
| JP4600269B2 (ja) * | 2005-12-21 | 2010-12-15 | カシオ計算機株式会社 | 液晶表示装置 |
| US7855827B2 (en) | 2006-10-06 | 2010-12-21 | Qualcomm Mems Technologies, Inc. | Internal optical isolation structure for integrated front or back lighting |
| US8107155B2 (en) | 2006-10-06 | 2012-01-31 | Qualcomm Mems Technologies, Inc. | System and method for reducing visual artifacts in displays |
| WO2008045311A2 (en) | 2006-10-06 | 2008-04-17 | Qualcomm Mems Technologies, Inc. | Illumination device with built-in light coupler |
| TWI341424B (en) * | 2006-10-16 | 2011-05-01 | Chimei Innolux Corp | Backlight module and liquid crystal display device incorporating same |
| US7864395B2 (en) | 2006-10-27 | 2011-01-04 | Qualcomm Mems Technologies, Inc. | Light guide including optical scattering elements and a method of manufacture |
| CN101191945B (zh) | 2006-11-29 | 2010-11-10 | 清华大学 | 背光模组 |
| JP2008191380A (ja) * | 2007-02-05 | 2008-08-21 | Nec Corp | 部材、表示部構造及び携帯端末装置 |
| JP4700722B2 (ja) * | 2007-02-28 | 2011-06-15 | 日東電工株式会社 | バックライトシステムおよび粘着剤付光学シート |
| JP5238222B2 (ja) | 2007-10-31 | 2013-07-17 | 株式会社東芝 | 画像表示装置、画像表示方法及び画像処理装置 |
| KR101604243B1 (ko) | 2007-12-31 | 2016-03-18 | 삼성디스플레이 주식회사 | 도광판, 이를 포함한 백라이트 어셈블리 및 액정 표시 장치 |
| US8654061B2 (en) | 2008-02-12 | 2014-02-18 | Qualcomm Mems Technologies, Inc. | Integrated front light solution |
| WO2009129264A1 (en) | 2008-04-15 | 2009-10-22 | Qualcomm Mems Technologies, Inc. | Light with bi-directional propagation |
| US8118468B2 (en) * | 2008-05-16 | 2012-02-21 | Qualcomm Mems Technologies, Inc. | Illumination apparatus and methods |
| KR101606063B1 (ko) * | 2008-09-26 | 2016-03-24 | 엘지전자 주식회사 | 휴대 단말기 |
| GB2466846A (en) * | 2009-01-13 | 2010-07-14 | Barco Nv | Sensor system and method for detecting a property of light emitted from at least one display area of a display device |
| US20110317094A1 (en) * | 2009-03-02 | 2011-12-29 | Sharp Kabushiki Kaisha | Light source device and liquid crystal display device |
| KR20100122679A (ko) * | 2009-05-13 | 2010-11-23 | 엘지이노텍 주식회사 | 백라이트 유닛 및 이를 이용한 액정표시장치 |
| JP5316322B2 (ja) * | 2009-09-02 | 2013-10-16 | 富士通株式会社 | 携帯端末装置 |
| US8582051B2 (en) * | 2010-06-15 | 2013-11-12 | Lg Innotek Co., Ltd. | Backlight unit and the display device having the same |
| KR101734545B1 (ko) * | 2010-08-17 | 2017-05-11 | 엘지이노텍 주식회사 | 라이트 유닛 및 표시장치 |
| KR102096400B1 (ko) * | 2012-10-17 | 2020-04-06 | 삼성전자주식회사 | 액정표시장치 |
| US9280180B2 (en) * | 2013-04-23 | 2016-03-08 | Dell Products L.P. | Information handling system display panel having offset supporting electronic components |
| CN103256563B (zh) * | 2013-05-09 | 2015-02-11 | 京东方科技集团股份有限公司 | 背光模组和显示装置 |
| TWI504993B (zh) * | 2013-06-14 | 2015-10-21 | Innolux Corp | 背光單元及包含該背光單元的顯示裝置 |
| CN104360538B (zh) * | 2014-11-07 | 2017-01-25 | 深圳市华星光电技术有限公司 | 一种背光模组及液晶显示装置 |
| CN106842695A (zh) * | 2016-12-19 | 2017-06-13 | 武汉华星光电技术有限公司 | 一种胶框、背光模组及液晶显示器 |
| KR102473198B1 (ko) * | 2018-02-01 | 2022-12-05 | 삼성디스플레이 주식회사 | 표시 장치 및 그 구동 방법 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1124586A (ja) * | 1997-06-30 | 1999-01-29 | Sanyo Electric Co Ltd | バックライト装置及び導光板 |
| US20020054488A1 (en) * | 2000-08-11 | 2002-05-09 | Enplas Corporation | Light guide plate, surface light source device and display |
| JP2003107247A (ja) * | 2001-09-28 | 2003-04-09 | Sanyo Electric Co Ltd | 導光板および面状照明装置 |
| JP2003149639A (ja) * | 2001-11-08 | 2003-05-21 | Matsushita Electric Ind Co Ltd | 導光板、面照明装置、表示装置、携帯電話機、及び携帯端末装置 |
| CN1475846A (zh) * | 2002-07-17 | 2004-02-18 | ������������ʽ���� | 照明装置和液晶显示装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5719649A (en) * | 1994-06-08 | 1998-02-17 | Kabushiki Kaisha Toshiba | Light guide and liquid crystal display device using it |
| JP2001035222A (ja) * | 1999-07-23 | 2001-02-09 | Minebea Co Ltd | 面状照明装置 |
| JP2003151331A (ja) * | 2001-11-15 | 2003-05-23 | Minebea Co Ltd | 面状照明装置 |
| JP4035998B2 (ja) * | 2002-01-23 | 2008-01-23 | オムロン株式会社 | 面光源装置、拡散板及び液晶表示装置 |
| JP3875891B2 (ja) * | 2002-01-24 | 2007-01-31 | 株式会社日立製作所 | 液晶表示装置 |
| JP3719436B2 (ja) * | 2002-03-06 | 2005-11-24 | セイコーエプソン株式会社 | 電気光学装置、および電子機器 |
| FR2838179B1 (fr) * | 2002-04-05 | 2004-12-24 | Phlox | Appareil de retroeclairage |
-
2004
- 2004-04-07 JP JP2004113311A patent/JP2005300673A/ja not_active Withdrawn
-
2005
- 2005-04-05 US US11/098,455 patent/US20050253980A1/en not_active Abandoned
- 2005-04-07 CN CNB2005100632394A patent/CN100422812C/zh not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1124586A (ja) * | 1997-06-30 | 1999-01-29 | Sanyo Electric Co Ltd | バックライト装置及び導光板 |
| US20020054488A1 (en) * | 2000-08-11 | 2002-05-09 | Enplas Corporation | Light guide plate, surface light source device and display |
| JP2003107247A (ja) * | 2001-09-28 | 2003-04-09 | Sanyo Electric Co Ltd | 導光板および面状照明装置 |
| JP2003149639A (ja) * | 2001-11-08 | 2003-05-21 | Matsushita Electric Ind Co Ltd | 導光板、面照明装置、表示装置、携帯電話機、及び携帯端末装置 |
| CN1475846A (zh) * | 2002-07-17 | 2004-02-18 | ������������ʽ���� | 照明装置和液晶显示装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1680853A (zh) | 2005-10-12 |
| US20050253980A1 (en) | 2005-11-17 |
| JP2005300673A (ja) | 2005-10-27 |
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Legal Events
| 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. Free format text: FORMER OWNER: HITACHI DISPLAYS DEVICE CO., LTD. Owner name: IPS ALPHA SUPPORT 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: 20051012 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: 20081001 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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231213 Address after: Tokyo, Japan Patentee after: JAPAN DISPLAY Inc. Patentee after: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA Address before: Tokyo port xixinqiao Japan three chome 7 No. 1 Patentee before: JAPAN DISPLAY Inc. Patentee before: Panasonic Liquid Crystal Display Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081001 |