JP5061747B2 - 液晶表示装置 - Google Patents
液晶表示装置 Download PDFInfo
- Publication number
- JP5061747B2 JP5061747B2 JP2007163267A JP2007163267A JP5061747B2 JP 5061747 B2 JP5061747 B2 JP 5061747B2 JP 2007163267 A JP2007163267 A JP 2007163267A JP 2007163267 A JP2007163267 A JP 2007163267A JP 5061747 B2 JP5061747 B2 JP 5061747B2
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- rear frame
- optical processing
- crystal display
- display device
- 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
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 61
- 230000003287 optical effect Effects 0.000 claims description 74
- 238000009792 diffusion process Methods 0.000 claims description 36
- 210000002858 crystal cell Anatomy 0.000 claims description 26
- 230000007246 mechanism Effects 0.000 claims description 15
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000008602 contraction Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
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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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- 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
-
- 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
-
- 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
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)
- Optical Elements Other Than Lenses (AREA)
- Planar Illumination Modules (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Description
20 線状光源
30 ランプフレーム
40 液晶セル
50 光学シート類
60 光拡散板
61 光拡散板の一端部
62 光拡散板の他端部
80 位置決め機構
81 係合部
82 被係合部
Y 光学処理領域の幅方向
Claims (4)
- 線状光源が定位置に取り付けられたリアフレームと、このリアフレームに取り付けられる液晶セルと、リアフレームと液晶セルとの間に介在される樹脂製の光学シート類とを有し、上記光学シート類に、その一端から他端に亘る複数条の帯状の光学処理領域が形成された光拡散板が含まれ、上記リアフレームに重ね合わされる上記光拡散板をそのリアフレームに対して位置決めして光拡散板の上記光学処理領域をその幅方向で上記線状光源に対して位置合わせする機能を発揮する位置決め機構を有する液晶表示装置において、
上記位置決め機構が、凸形の係合部と、その係合部に上記光学処理領域の幅方向で係合してその光学処理領域をその幅方向で上記線状光源に対して位置合わせする被係合部と、を備えていると共に、上記係合部が上記リアフレーム側に設けられ、上記被係合部が上記光拡散板の一端部と他端部とのそれぞれの中間部に設けられ、
光拡散板の複数条の上記光学処理領域の位置が、上記被係合部の形成箇所を基準位置に規定した上で、その基準位置を起点として算出された基準位置に対する個々の光学処理領域の隔たり寸法に基づいて定められ、その隔たり寸法は、当該光学処理領域の幅方向での寸法であることを特徴とする液晶表示装置。 - 上記係合部が上記リアフレームに取り付けられて上記線状光源の端部を覆い隠すランプフレームに設けられた凸部でなり、上記被係合部が光拡散板の一端部と他端部とのそれぞれの中間部に凹入状に形成された窪み孔でなる請求項1に記載した液晶表示装置。
- 上記係合部が上記リアフレームに取り付けられて上記線状光源の端部を覆い隠すランプフレームに設けられた凸部でなり、上記被係合部が光拡散板の一端部と他端部とのそれぞれの中間部に凹入状に形成された貫通孔でなる請求項1に記載した液晶表示装置。
- 複数条の上記光学処理領域が光拡散板の片面だけに施された印刷領域によって形成されていると共に、光拡散板の一端部に設けられている上記被係合部の形成箇所と、光拡散板の他端部に設けられている上記被係合部の形成箇所とを、光拡散板における複数条の上記光学処理領域の並び方向で位置ずれさせてある請求項1ないし請求項3のいずれか1項に記載した液晶表示装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007163267A JP5061747B2 (ja) | 2007-06-21 | 2007-06-21 | 液晶表示装置 |
US12/140,400 US7990489B2 (en) | 2007-06-21 | 2008-06-17 | Liquid crystal display device having frame and light diffusing plate |
EP08011193A EP2006727A3 (en) | 2007-06-21 | 2008-06-19 | Liquid crystal display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007163267A JP5061747B2 (ja) | 2007-06-21 | 2007-06-21 | 液晶表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009004201A JP2009004201A (ja) | 2009-01-08 |
JP5061747B2 true JP5061747B2 (ja) | 2012-10-31 |
Family
ID=39744957
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007163267A Expired - Fee Related JP5061747B2 (ja) | 2007-06-21 | 2007-06-21 | 液晶表示装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7990489B2 (ja) |
EP (1) | EP2006727A3 (ja) |
JP (1) | JP5061747B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016047674A1 (ja) * | 2014-09-26 | 2016-03-31 | シャープ株式会社 | 液晶表示装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1184351A (ja) * | 1997-09-11 | 1999-03-26 | Toshiba Corp | 液晶表示装置 |
JP2001091947A (ja) * | 1999-09-22 | 2001-04-06 | Toshiba Corp | 液晶表示装置 |
JP2002196312A (ja) * | 2000-12-25 | 2002-07-12 | Hitachi Ltd | 液晶表示装置 |
JP2003043484A (ja) * | 2001-08-03 | 2003-02-13 | Fujitsu Ltd | 液晶表示装置 |
JP2003344854A (ja) * | 2002-05-23 | 2003-12-03 | Sanyo Electric Co Ltd | バックライト装置及びそれを備える液晶表示装置 |
JP3717876B2 (ja) * | 2002-08-28 | 2005-11-16 | シャープ株式会社 | 液晶表示装置 |
JP4306289B2 (ja) * | 2003-03-18 | 2009-07-29 | セイコーエプソン株式会社 | 液晶表示装置 |
JP4202229B2 (ja) * | 2003-10-15 | 2008-12-24 | 株式会社 日立ディスプレイズ | 液晶表示装置 |
JP4507062B2 (ja) * | 2003-11-20 | 2010-07-21 | オムロン株式会社 | 面光源装置及び当該装置を用いた機器 |
US7766500B2 (en) * | 2005-03-10 | 2010-08-03 | Sharp Kabushiki Kaisha | Backlight unit, and a display device including the same |
US7905619B2 (en) * | 2005-06-16 | 2011-03-15 | Sharp Kabushiki Kaisha | Optical sheet, and backlight device and display device provided therewith |
JP4481218B2 (ja) | 2005-06-29 | 2010-06-16 | 株式会社 日立ディスプレイズ | 液晶表示装置 |
JPWO2007037250A1 (ja) * | 2005-09-28 | 2009-04-09 | 日本ゼオン株式会社 | 光拡散板およびバックライト装置 |
US20070110386A1 (en) | 2005-11-12 | 2007-05-17 | Tien-Hon Chiang | Device having combined diffusing, collimating, and color mixing light control function |
JP2007163267A (ja) | 2005-12-13 | 2007-06-28 | Matsushita Electric Ind Co Ltd | 半導体集積回路およびその検査方法 |
-
2007
- 2007-06-21 JP JP2007163267A patent/JP5061747B2/ja not_active Expired - Fee Related
-
2008
- 2008-06-17 US US12/140,400 patent/US7990489B2/en not_active Expired - Fee Related
- 2008-06-19 EP EP08011193A patent/EP2006727A3/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
US20080316393A1 (en) | 2008-12-25 |
JP2009004201A (ja) | 2009-01-08 |
US7990489B2 (en) | 2011-08-02 |
EP2006727A2 (en) | 2008-12-24 |
EP2006727A3 (en) | 2010-06-30 |
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