JP6889727B2 - 液晶表示装置のバックライトユニット用光補正銀反射シート - Google Patents
液晶表示装置のバックライトユニット用光補正銀反射シート Download PDFInfo
- Publication number
- JP6889727B2 JP6889727B2 JP2018546703A JP2018546703A JP6889727B2 JP 6889727 B2 JP6889727 B2 JP 6889727B2 JP 2018546703 A JP2018546703 A JP 2018546703A JP 2018546703 A JP2018546703 A JP 2018546703A JP 6889727 B2 JP6889727 B2 JP 6889727B2
- Authority
- JP
- Japan
- Prior art keywords
- reflective sheet
- layer
- silver reflective
- light
- silver
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/0816—Multilayer mirrors, i.e. having two or more reflecting layers
- G02B5/085—Multilayer mirrors, i.e. having two or more reflecting layers at least one of the reflecting layers comprising metal
- G02B5/0858—Multilayer mirrors, i.e. having two or more reflecting layers at least one of the reflecting layers comprising metal the reflecting layers comprising a single metallic layer with one or more dielectric layers
- G02B5/0866—Multilayer mirrors, i.e. having two or more reflecting layers at least one of the reflecting layers comprising metal the reflecting layers comprising a single metallic layer with one or more dielectric layers incorporating one or more organic, e.g. polymeric layers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
-
- 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
- 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
- G02F1/133605—Direct backlight including specially adapted reflectors
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)
- Optical Elements Other Than Lenses (AREA)
Description
[実施例1]
[比較例1]
[実施例2]
[比較例2]
[比較例3]
[比較例4]
[比較例5]
[実施例4]
[比較例6]
20 導光板
30 銀反射シート
31 樹脂フィルム
32 銀薄膜層
33 光補正層
34 透明粘着層
35 離型層
Claims (6)
- 樹脂フィルムの上に銀薄膜層が形成された銀反射層と、
前記銀反射層の両面のうちのいずれか一方の面に顔料と合成樹脂とを混合して形成した光補正層と、
を備え、
前記光補正層の顔料としては、青色顔料CI Blue15:3と紫色顔料CI Violet23との混合顔料を使用し、
前記合成樹脂は、Tgが60℃以上のポリエステルであり、
光補正後に、銀反射シートの580〜600nmの波長帯における反射率が80〜85%に調整され、
接着力が1,000gf/25mm以上の粘着層をさらに備え、
BLUの色均一度及び輝度を調整することを特徴とするLCDのBLU用銀反射シート。 - 前記銀反射シートの光補正後のCIE色座標は、a*が−2.1〜−1.8であり、b*は、−5.5〜−4.0であることを特徴とする請求項1に記載のLCDのBLU用銀反射シート。
- 前記光補正層の厚さは、0.1〜10μmであることを特徴とする請求項1に記載のLCDのBLU用銀反射シート。
- 前記銀反射シートは、粘着層をさらに備えることを特徴とする請求項1に記載のLCDのBLU用銀反射シート。
- 前記粘着層の厚さは、10〜50μmであることを特徴とする請求項1に記載のLCDのBLU用銀反射シート。
- 請求項1に記載のLCDのBLU用銀反射シートを製造する方法において、
前記光補正層は、ポリエステル10〜40wt%、有機溶媒55〜88wt%、顔料0.1〜2wt%の割合で混合された光補正コーティング液を用いてコーティングして製造することを特徴とするLCDのBLU用銀反射シートの製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2016-0133820 | 2016-10-14 | ||
KR1020160133820A KR101725362B1 (ko) | 2016-10-14 | 2016-10-14 | 액정표시장치의 백라이트 유닛용 광보정 은반사시트 |
PCT/KR2017/011000 WO2018070731A1 (ko) | 2016-10-14 | 2017-10-02 | 액정표시장치의 백라이트 유닛용 광보정 은반사시트 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019532316A JP2019532316A (ja) | 2019-11-07 |
JP6889727B2 true JP6889727B2 (ja) | 2021-06-18 |
Family
ID=58580956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018546703A Active JP6889727B2 (ja) | 2016-10-14 | 2017-10-02 | 液晶表示装置のバックライトユニット用光補正銀反射シート |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP6889727B2 (ja) |
KR (1) | KR101725362B1 (ja) |
CN (1) | CN107966753B (ja) |
WO (1) | WO2018070731A1 (ja) |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0615774A (ja) | 1992-07-01 | 1994-01-25 | Mitsui Toatsu Chem Inc | 光反射シート |
JPH08122534A (ja) * | 1994-10-20 | 1996-05-17 | Matsushita Electric Ind Co Ltd | バックライト |
JP3753261B2 (ja) * | 1996-03-21 | 2006-03-08 | 富士写真フイルム株式会社 | 感放射線性着色組成物 |
JP2002258022A (ja) * | 2001-02-27 | 2002-09-11 | Yuka Denshi Co Ltd | 光反射シート及びこれを用いた面光源装置と液晶ディスプレイ装置 |
US6906761B2 (en) * | 2001-09-19 | 2005-06-14 | Keiwa Inc. | Reflection sheet and backlight unit using the same |
JP2005347010A (ja) * | 2004-06-01 | 2005-12-15 | Minebea Co Ltd | 面状照明装置 |
KR100719482B1 (ko) * | 2004-09-13 | 2007-05-18 | 에스케이씨 주식회사 | 반사시트 및 이를 채용한 백라이트 유닛 |
US7597963B2 (en) * | 2005-07-08 | 2009-10-06 | Guardian Industries Corp. | Insulating glass (IG) window unit including heat treatable coating with specific color characteristics and low sheet resistance |
KR20090045977A (ko) * | 2007-11-05 | 2009-05-11 | 주식회사 엘에스텍 | 색 보정 물질이 첨가된 백라이트 장치 |
KR101789067B1 (ko) * | 2010-12-16 | 2017-10-24 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 그를 이용한 액정표시장치 |
JP2013114876A (ja) * | 2011-11-28 | 2013-06-10 | Sharp Corp | 照明装置、及びそれを備えた液晶表示装置 |
EP2950121B1 (en) * | 2013-01-25 | 2018-11-21 | Toppan Printing Co., Ltd. | Color filter substrate, liquid-crystal display device, and method for manufacturing color filter substrate |
KR101600996B1 (ko) * | 2014-10-31 | 2016-03-09 | (주)에이치비테크놀러지 | 고균일 색상을 구현하는 백라이트 장치 및 이를 이용하는 디스플레이 장치 |
JP2016118584A (ja) * | 2014-12-18 | 2016-06-30 | スリーエム イノベイティブ プロパティズ カンパニー | 再帰性反射シート及びライセンスプレート、並びにそれらの製造方法 |
-
2016
- 2016-10-14 KR KR1020160133820A patent/KR101725362B1/ko active IP Right Grant
-
2017
- 2017-10-02 WO PCT/KR2017/011000 patent/WO2018070731A1/ko active Application Filing
- 2017-10-02 JP JP2018546703A patent/JP6889727B2/ja active Active
- 2017-10-13 CN CN201710953283.5A patent/CN107966753B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
WO2018070731A1 (ko) | 2018-04-19 |
JP2019532316A (ja) | 2019-11-07 |
KR101725362B1 (ko) | 2017-04-11 |
CN107966753A (zh) | 2018-04-27 |
CN107966753B (zh) | 2020-07-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6140775B2 (ja) | 透明な粘着剤層及びパターン化された透明導電層を有する偏光フィルム積層体並びに液晶パネル及び有機elパネル | |
WO2017014089A1 (ja) | 透明な粘着剤層を有する透明導電層付カバー部材 | |
JP4673344B2 (ja) | 光学フィルム用粘着シートの製造方法 | |
JP6140774B2 (ja) | 透明な粘着剤層を有する偏光フィルム積層体及び表示パネル | |
KR102278332B1 (ko) | 편광판 및 표시 장치 | |
WO2014088122A1 (ja) | 偏光性積層フィルムおよび偏光板の製造方法、偏光性積層フィルム、ならびに偏光板セット | |
JPWO2004035665A1 (ja) | フィルム及びその粘着剤 | |
US10259193B2 (en) | Electroconductive film laminate comprising transparent pressure-sensitive adhesive layer | |
KR20110126921A (ko) | 편광판 및 표시 장치 | |
JP2004161955A (ja) | 反射・遮光粘着テープ | |
TWI746451B (zh) | 具有透明之黏著劑層的導電性薄膜層積體 | |
JP6889727B2 (ja) | 液晶表示装置のバックライトユニット用光補正銀反射シート | |
WO2023085319A1 (ja) | 光学積層体および画像表示装置 | |
TW201022739A (en) | Polarizing plate, liquid crystal cell and liquid crystal display | |
WO2023085318A1 (ja) | 光学積層体および画像表示装置 | |
TW202220843A (zh) | 偏光板、附相位差層之偏光板及有機電致發光顯示裝置 | |
JP2017179383A (ja) | 透明な粘着剤層を有する透明導電層付カバー部材 | |
JP2011090312A (ja) | 画像表示装置の光学フィルム用粘着シート、粘着型光学フィルムおよび画像表示装置 | |
JP2019105855A (ja) | 光学部材および画像表示装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20200716 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20210416 |
|
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: 20210427 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20210521 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6889727 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |