CN1180295C - 液晶显示设备 - Google Patents
液晶显示设备 Download PDFInfo
- Publication number
- CN1180295C CN1180295C CNB011407042A CN01140704A CN1180295C CN 1180295 C CN1180295 C CN 1180295C CN B011407042 A CNB011407042 A CN B011407042A CN 01140704 A CN01140704 A CN 01140704A CN 1180295 C CN1180295 C CN 1180295C
- Authority
- CN
- China
- Prior art keywords
- optical plate
- liquid crystal
- crystal display
- groove
- grooves
- 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
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
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
-
- 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
-
- 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
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
- G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
-
- 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
- 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
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)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
Description
Claims (14)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP228976/2000 | 2000-07-28 | ||
JP2000228976 | 2000-07-28 | ||
JP2000254964A JP3809328B2 (ja) | 2000-07-28 | 2000-08-25 | 液晶表示装置 |
JP254964/2000 | 2000-08-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1338657A CN1338657A (zh) | 2002-03-06 |
CN1180295C true CN1180295C (zh) | 2004-12-15 |
Family
ID=26596921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011407042A Expired - Fee Related CN1180295C (zh) | 2000-07-28 | 2001-07-28 | 液晶显示设备 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6985131B2 (zh) |
JP (1) | JP3809328B2 (zh) |
KR (1) | KR20020010097A (zh) |
CN (1) | CN1180295C (zh) |
TW (1) | TW594116B (zh) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW594223B (en) * | 2002-01-29 | 2004-06-21 | Chi Mei Optoelectronics Corp | Backlight module and liquid crystal display device |
KR100783592B1 (ko) * | 2002-02-05 | 2007-12-07 | 삼성전자주식회사 | 조명장치 및 이를 백라이트로 채택한 표시장치 |
US6993244B2 (en) * | 2002-10-18 | 2006-01-31 | Heng Huang Kuo | Radial type light-guiding plate |
KR100756368B1 (ko) * | 2002-12-05 | 2007-09-10 | 삼성전자주식회사 | 백 라이트 어셈블리 및 이를 갖는 액정표시장치 |
KR100947175B1 (ko) * | 2003-03-20 | 2010-03-12 | 엘지디스플레이 주식회사 | 액정표시모듈 |
KR20040094053A (ko) * | 2003-05-01 | 2004-11-09 | 주식회사 우영 | 디스플레이 장치용 백 라이트 |
CN100363811C (zh) * | 2003-06-10 | 2008-01-23 | 统宝光电股份有限公司 | 面状光源构件 |
CN100405172C (zh) * | 2003-11-13 | 2008-07-23 | 鸿富锦精密工业(深圳)有限公司 | 背光模组 |
CN100346215C (zh) * | 2004-10-09 | 2007-10-31 | 友达光电股份有限公司 | 背光模块及其导光板 |
TWI296063B (en) * | 2004-12-10 | 2008-04-21 | Au Optronics Corp | Backlight unit and housing thereof |
TWI276894B (en) * | 2005-08-17 | 2007-03-21 | Au Optronics Corp | Backlight unit and light guide plate within and method for diminishing corner shadow area |
US7894012B2 (en) * | 2005-11-28 | 2011-02-22 | Sharp Kabushiki Kaisha | Backlight device and liquid crystal display device using the same |
TWI335474B (en) * | 2006-02-24 | 2011-01-01 | Chimei Innolux Corp | Mass manufacturing method of light guide plate |
KR100793536B1 (ko) | 2006-07-04 | 2008-01-14 | 삼성에스디아이 주식회사 | 액정 표시 장치의 백라이트 유니트 및 백라이트 유니트의도광판 제조 방법 |
JP4878335B2 (ja) * | 2007-06-14 | 2012-02-15 | シチズン電子株式会社 | 導光板の製造方法、導光板及びバックライトユニット並びに表示装置 |
JP4838355B2 (ja) * | 2007-07-27 | 2011-12-14 | シャープ株式会社 | 照明装置および液晶表示装置 |
TW200909894A (en) * | 2007-08-16 | 2009-03-01 | Nano Prec Corp | Backlight module and display using the same |
KR101513439B1 (ko) * | 2008-01-21 | 2015-04-23 | 삼성디스플레이 주식회사 | 표시 장치 및 그의 구동 방법 |
JP5081933B2 (ja) * | 2010-01-25 | 2012-11-28 | 株式会社ジャパンディスプレイイースト | 液晶表示装置及び照明装置 |
TWI413820B (zh) | 2010-04-01 | 2013-11-01 | Young Lighting Technology Corp | 照明裝置與導光板 |
JP5578918B2 (ja) * | 2010-04-07 | 2014-08-27 | 矢崎総業株式会社 | 導光板及びそれを備えた指針計器 |
JP5267692B2 (ja) * | 2012-02-16 | 2013-08-21 | オムロン株式会社 | 導光板及び液晶表示装置 |
SG193229A1 (en) * | 2012-03-05 | 2013-10-30 | Skg Co Ltd | Light guide plate, display unit including the light guide plate, traffic sign including the display unit, and method of manufacturing the light guide plate and method of manufacturing the traffic sign |
TW201341897A (zh) * | 2012-04-05 | 2013-10-16 | Hui Fong Recycling Ind Inc | 導光板模仁組件之製作方法及其應用 |
KR102133762B1 (ko) | 2013-01-10 | 2020-07-15 | 삼성디스플레이 주식회사 | 백라이트 유닛 및 이를 포함하는 표시장치 |
TWI490572B (zh) * | 2013-05-06 | 2015-07-01 | Skg Co Ltd | 導光板及其製造方法、顯示裝置、道路標識及其製造方法 |
CN107870468B (zh) * | 2017-11-30 | 2020-10-02 | 盛天誉 | 学习用显示装置 |
KR102403929B1 (ko) * | 2018-02-23 | 2022-06-02 | 삼성디스플레이 주식회사 | 표시 장치 및 이의 제조 방법 |
TWI845953B (zh) * | 2022-05-30 | 2024-06-21 | 達運精密工業股份有限公司 | 導光板與背光模組 |
TWI838213B (zh) * | 2023-04-11 | 2024-04-01 | 宏碁股份有限公司 | 可攜式電子裝置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0651129A (ja) * | 1992-07-27 | 1994-02-25 | Inoue Denki Kk | 照明装置 |
JPH0935518A (ja) | 1995-07-21 | 1997-02-07 | Hokuto Seisakusho:Kk | 液晶表示用導光板 |
JPH09113900A (ja) * | 1995-10-16 | 1997-05-02 | Toshiba Corp | 液晶表示装置 |
JP3588180B2 (ja) * | 1995-12-28 | 2004-11-10 | 株式会社エンプラス | 光制御部材及びサイドライト型面光源装置 |
JPH09258030A (ja) | 1996-03-21 | 1997-10-03 | Enplas Corp | サイドライト型面光源装置 |
US5897184A (en) * | 1996-07-02 | 1999-04-27 | Dimension Technologies, Inc. | Reduced-thickness backlighter for autostereoscopic display and display using the backlighter |
EP0867747A3 (en) * | 1997-03-25 | 1999-03-03 | Sony Corporation | Reflective display device |
JP3558321B2 (ja) * | 1997-05-08 | 2004-08-25 | 株式会社エンプラス | サイドライト型面光源装置及び導光板 |
JP3036464B2 (ja) | 1997-05-20 | 2000-04-24 | 日本電気株式会社 | バックライト |
JP3808992B2 (ja) * | 1997-11-21 | 2006-08-16 | 三菱電機株式会社 | 液晶パネルモジュール |
JP2986773B2 (ja) * | 1998-04-01 | 1999-12-06 | 嶋田プレシジョン株式会社 | 点光源用の導光板 |
JPH11305205A (ja) * | 1998-04-22 | 1999-11-05 | Hitachi Ltd | 液晶表示装置 |
JP2000235119A (ja) * | 1999-02-16 | 2000-08-29 | Fujitsu Kasei Kk | 導光板 |
JP2001035224A (ja) * | 1999-07-22 | 2001-02-09 | Stanley Electric Co Ltd | 面光源装置 |
JP3165860B2 (ja) * | 1999-10-01 | 2001-05-14 | オーツタイヤ株式会社 | バックライト用導光板及びバックライト |
-
2000
- 2000-08-25 JP JP2000254964A patent/JP3809328B2/ja not_active Expired - Fee Related
-
2001
- 2001-07-24 US US09/910,862 patent/US6985131B2/en not_active Expired - Fee Related
- 2001-07-25 TW TW090118213A patent/TW594116B/zh not_active IP Right Cessation
- 2001-07-27 KR KR1020010045382A patent/KR20020010097A/ko not_active Application Discontinuation
- 2001-07-28 CN CNB011407042A patent/CN1180295C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6985131B2 (en) | 2006-01-10 |
KR20020010097A (ko) | 2002-02-02 |
JP2002107716A (ja) | 2002-04-10 |
JP3809328B2 (ja) | 2006-08-16 |
US20020030650A1 (en) | 2002-03-14 |
TW594116B (en) | 2004-06-21 |
CN1338657A (zh) | 2002-03-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: HITACHI DISPLAY DEVICES, LTD. Effective date: 20111128 Owner name: HITACHI DISPLAY CO., LTD. Free format text: FORMER OWNER: HITACHI,LTD. Effective date: 20111128 Owner name: IPS ALPHA SUPPORT CO., LTD. Effective date: 20111128 Owner name: PANASONIC LCD CO., LTD. Free format text: FORMER OWNER: IPS ALPHA SUPPORT CO., LTD. Effective date: 20111128 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Tokyo, Japan Co-patentee after: Hitachi display equipment Co.,Ltd. Patentee after: Hitachi, Ltd. Address before: Tokyo, Japan Co-patentee before: Hitachi Electronics Co.,Ltd. Patentee before: Hitachi, Ltd. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20111128 Address after: Chiba Prefecture, Japan Co-patentee after: Panasonic Liquid Crystal Display Co.,Ltd. Patentee after: Hitachi Displays, Ltd. Address before: Chiba Prefecture, Japan Co-patentee before: IPS pioneer support society Patentee before: Hitachi Displays, Ltd. Effective date of registration: 20111128 Address after: Chiba Prefecture, Japan Co-patentee after: IPS Pioneer Support Society Patentee after: Hitachi Displays, Ltd. Address before: Chiba Prefecture, Japan Patentee before: Hitachi Displays, Ltd. Effective date of registration: 20111128 Address after: Chiba Prefecture, Japan Patentee after: Hitachi Displays, Ltd. Address before: Chiba Prefecture, Japan Co-patentee before: Hitachi display equipment Co.,Ltd. Patentee before: Hitachi Displays, Ltd. Effective date of registration: 20111128 Address after: Chiba Prefecture, Japan Co-patentee after: Hitachi display equipment Co.,Ltd. Patentee after: Hitachi Displays, Ltd. Address before: Tokyo, Japan Co-patentee before: Hitachi display equipment Co.,Ltd. Patentee before: Hitachi, Ltd. |
|
C56 | Change in the name or address of the patentee |
Owner name: APAN DISPLAY EAST, INC. Free format text: FORMER NAME: HITACHI DISPLAY CO., LTD. Owner name: JAPAN DISPLAY, INC. Free format text: FORMER NAME: APAN DISPLAY EAST, INC. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Chiba Prefecture, Japan Patentee after: Japan Display East Inc. Patentee after: Panasonic Liquid Crystal Display Co.,Ltd. Address before: Chiba Prefecture, Japan Patentee before: Hitachi Displays, Ltd. Patentee before: Panasonic Liquid Crystal Display Co.,Ltd. Address after: Chiba Prefecture, Japan Patentee after: JAPAN DISPLAY Inc. Patentee after: Panasonic Liquid Crystal Display Co.,Ltd. Address before: Chiba Prefecture, Japan Patentee before: Japan Display East Inc. Patentee before: Panasonic Liquid Crystal Display Co.,Ltd. |
|
CP02 | Change in the address of a patent holder |
Address after: Tokyo, Japan Patentee after: JAPAN DISPLAY Inc. Patentee after: Panasonic Liquid Crystal Display Co.,Ltd. Address before: Chiba Prefecture, Japan Patentee before: JAPAN DISPLAY Inc. Patentee before: Panasonic Liquid Crystal Display Co.,Ltd. |
|
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20020306 Assignee: BOE TECHNOLOGY GROUP Co.,Ltd. Assignor: JAPAN DISPLAY Inc.|Panasonic Liquid Crystal Display Co.,Ltd. Contract record no.: 2013990000688 Denomination of invention: Method for raising quality of image on liquid crystal display device Granted publication date: 20041215 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: 20041215 Termination date: 20190728 |