JP4377754B2 - 面光源装置及び液晶表示装置 - Google Patents
面光源装置及び液晶表示装置 Download PDFInfo
- Publication number
- JP4377754B2 JP4377754B2 JP2004176864A JP2004176864A JP4377754B2 JP 4377754 B2 JP4377754 B2 JP 4377754B2 JP 2004176864 A JP2004176864 A JP 2004176864A JP 2004176864 A JP2004176864 A JP 2004176864A JP 4377754 B2 JP4377754 B2 JP 4377754B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- light guide
- liquid crystal
- light source
- optical sheet
- 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 47
- 230000003287 optical effect Effects 0.000 claims description 46
- 230000005540 biological transmission Effects 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims 2
- 239000010408 film Substances 0.000 description 25
- 239000000463 material Substances 0.000 description 9
- 239000000758 substrate Substances 0.000 description 9
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 229920000139 polyethylene terephthalate Polymers 0.000 description 6
- 239000005020 polyethylene terephthalate Substances 0.000 description 6
- 239000004925 Acrylic resin Substances 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- -1 polyethylene terephthalate Polymers 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920005668 polycarbonate resin Polymers 0.000 description 2
- 239000004431 polycarbonate resin Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical group [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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
-
- 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
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)
Description
光源と、
前記光源から放射された放射光が入射する入射面、入射面から入射した入射光が出射する互いに対向した第1主面及び第2主面を備えた導光体と、
前記導光体の第2主面側に配置され、第2主面と対向する側に鏡面を有した光学シートと、
前記導光体と前記光学シートとの間に配置され、光透過性を有し且つその表面に凹凸形状を有するフィルム体と、
を備え、前記光学シートは、鏡面側に前記フィルム体の凹凸形状とは異なるサイズの凹凸形状を有し、且つ、前記フィルム体の凹凸形状は、前記光学シートの凹凸形状よりも大きいことを特徴とする。
複数の表示画素が配置された有効表示部を備えた液晶表示パネルと、
前記液晶表示パネルを照明する面光源装置と、を備えた液晶表示装置であって、
前記面光源装置は、光源と、
前記光源から放射された放射光が入射する入射面、入射面から入射した入射光を前記液晶表示パネルに向けて出射する第1主面及び第1主面と互いに対向した第2主面を備えた導光体と、
前記導光体の第2主面側に配置され、第2主面と対向する側に鏡面を有した光学シートと、
前記導光体と前記光学シートとの間に配置され、光透過性を有し且つその表面に凹凸形状を有するフィルム体と、
を備え、前記光学シートは、鏡面側に前記フィルム体の凹凸形状とは異なるサイズの凹凸形状を有し、且つ、前記フィルム体の凹凸形状は、前記光学シートの凹凸形状よりも大きいことを特徴とする。
Claims (5)
- 光源と、
前記光源から放射された放射光が入射する入射面、入射面から入射した入射光が出射する互いに対向した第1主面及び第2主面を備えた導光体と、
前記導光体の第2主面側に配置され、第2主面と対向する側に鏡面を有した光学シートと、
前記導光体と前記光学シートとの間に配置され、光透過性を有し且つその表面に凹凸形状を有するフィルム体と、
を備え、前記光学シートは、鏡面側に前記フィルム体の凹凸形状とは異なるサイズの凹凸形状を有し、且つ、前記フィルム体の凹凸形状は、前記光学シートの凹凸形状よりも大きいことを特徴とする面光源装置。 - 前記フィルム体の凹凸形状は、アクリル系またはシリコン系の球状体によって形成されていることを特徴とする請求項1に記載の面光源装置。
- 前記光学シートに接触する前記フィルム体の表面硬度は、前記光学シートの鏡面の硬度と同等以下であることを特徴とする請求項1に記載の面光源装置。
- 複数の表示画素が配置された有効表示部を備えた液晶表示パネルと、
前記液晶表示パネルを照明する面光源装置と、を備えた液晶表示装置であって、
前記面光源装置は、光源と、
前記光源から放射された放射光が入射する入射面、入射面から入射した入射光を前記液晶表示パネルに向けて出射する第1主面及び第1主面と互いに対向した第2主面を備えた導光体と、
前記導光体の第2主面側に配置され、第2主面と対向する側に鏡面を有した光学シートと、
前記導光体と前記光学シートとの間に配置され、光透過性を有し且つその表面に凹凸形状を有するフィルム体と、
を備え、前記光学シートは、鏡面側に前記フィルム体の凹凸形状とは異なるサイズの凹凸形状を有し、且つ、前記フィルム体の凹凸形状は、前記光学シートの凹凸形状よりも大きいことを特徴とする液晶表示装置。 - 前記フィルム体の凹凸形状は、アクリル系またはシリコン系の球状体によって形成されていることを特徴とする請求項4に記載の液晶表示装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004176864A JP4377754B2 (ja) | 2004-06-15 | 2004-06-15 | 面光源装置及び液晶表示装置 |
TW094119309A TW200609564A (en) | 2004-06-15 | 2005-06-10 | Area light source device and liquid crystal display apparatus |
US11/150,275 US7293905B2 (en) | 2004-06-15 | 2005-06-13 | Area light source device and liquid crystal display apparatus |
KR1020050051183A KR100724647B1 (ko) | 2004-06-15 | 2005-06-15 | 면 광원 장치와 액정 표시 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004176864A JP4377754B2 (ja) | 2004-06-15 | 2004-06-15 | 面光源装置及び液晶表示装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2006004651A JP2006004651A (ja) | 2006-01-05 |
JP2006004651A5 JP2006004651A5 (ja) | 2007-07-19 |
JP4377754B2 true JP4377754B2 (ja) | 2009-12-02 |
Family
ID=35460331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004176864A Expired - Fee Related JP4377754B2 (ja) | 2004-06-15 | 2004-06-15 | 面光源装置及び液晶表示装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7293905B2 (ja) |
JP (1) | JP4377754B2 (ja) |
KR (1) | KR100724647B1 (ja) |
TW (1) | TW200609564A (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6354207B2 (ja) * | 2014-02-28 | 2018-07-11 | 大日本印刷株式会社 | 反射シート、面光源装置、透過型表示装置 |
JP6415598B2 (ja) | 2014-12-18 | 2018-10-31 | 堺ディスプレイプロダクト株式会社 | 表示装置 |
CN106801801A (zh) * | 2017-03-24 | 2017-06-06 | 昆山市见兴电子材料有限公司 | Led平面光源 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3682313B2 (ja) * | 1995-03-08 | 2005-08-10 | 日東樹脂工業株式会社 | 面光源装置及び液晶ディスプレイ |
TW331593B (en) | 1996-05-13 | 1998-05-11 | Konika Co Ltd | Planer light source device and light guide plate |
JP2000082313A (ja) * | 1998-09-08 | 2000-03-21 | Enplas Corp | サイドライト型面光源装置及び液晶表示装置 |
JP3839998B2 (ja) * | 1998-10-28 | 2006-11-01 | シャープ株式会社 | バックライト |
TWI235866B (en) | 2000-12-14 | 2005-07-11 | Mitsui Chemicals Inc | Reflector, sidelight type backlighting apparatus and reflector substrate |
JP4681791B2 (ja) * | 2002-08-22 | 2011-05-11 | 恵和株式会社 | 反射シート及びこれを用いたバックライトユニット |
JP2004012591A (ja) | 2002-06-04 | 2004-01-15 | Mitsui Chemicals Inc | サイドライト型バックライト装置および液晶表示装置 |
-
2004
- 2004-06-15 JP JP2004176864A patent/JP4377754B2/ja not_active Expired - Fee Related
-
2005
- 2005-06-10 TW TW094119309A patent/TW200609564A/zh unknown
- 2005-06-13 US US11/150,275 patent/US7293905B2/en not_active Expired - Fee Related
- 2005-06-15 KR KR1020050051183A patent/KR100724647B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US7293905B2 (en) | 2007-11-13 |
JP2006004651A (ja) | 2006-01-05 |
KR20060049596A (ko) | 2006-05-19 |
US20050276070A1 (en) | 2005-12-15 |
TW200609564A (en) | 2006-03-16 |
KR100724647B1 (ko) | 2007-06-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7270466B2 (en) | Reflector for back light assembly and back light assembly using the same | |
US8556491B2 (en) | Backlight assembly having a plurality of light guide plates | |
US7808576B2 (en) | Liquid crystal display device | |
JP5142495B2 (ja) | 液晶表示装置 | |
US7380971B2 (en) | Backlight module | |
US20070189032A1 (en) | Backlight system | |
US8734001B2 (en) | Backlight assembly including a light source cover including a sidewall cover portion which contacts with an exterior surface of a sidewall of a receiving container and a light source cover portion which covers a light source and a portion of the exiting surface of a light guide plate, display device having the same and method of assembling the display device | |
US8672530B2 (en) | Display device | |
JP2006310221A (ja) | エッジ入力型バックライト及び液晶表示装置 | |
EP3330787A1 (en) | Display apparatus | |
JP2007265882A (ja) | バックライトユニット及び液晶表示装置 | |
KR20130020595A (ko) | 액정 표시 장치 및 전자 기기 | |
JP2019185921A (ja) | 照明装置及びそれを備えた表示装置 | |
US20120075883A1 (en) | Edge-type led backlight moudle | |
KR20040065167A (ko) | 면광원 장치 | |
JP2005208587A (ja) | 液晶ディスプレイのバックライト組立体 | |
TWI269894B (en) | Planar light source | |
JP2007041476A (ja) | バックライト | |
KR20150001155A (ko) | 액정표시소자 | |
JP4377754B2 (ja) | 面光源装置及び液晶表示装置 | |
JP2007059168A (ja) | バックライト | |
JP4379077B2 (ja) | バックライトユニット及び液晶表示装置 | |
KR20070002876A (ko) | 액정표시모듈 | |
JP4618380B2 (ja) | バックライトユニット及び液晶表示装置 | |
JP2012094347A (ja) | 照明装置及び液晶表示装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070604 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070604 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20090528 |
|
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: 20090818 |
|
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: 20090911 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4377754 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120918 Year of fee payment: 3 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120918 Year of fee payment: 3 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120918 Year of fee payment: 3 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120918 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130918 Year of fee payment: 4 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |