TWI461747B - A light diffusion sheet, a backlight unit using it, and a light diffusion sheet manufacturing method - Google Patents
A light diffusion sheet, a backlight unit using it, and a light diffusion sheet manufacturing method Download PDFInfo
- Publication number
- TWI461747B TWI461747B TW101117824A TW101117824A TWI461747B TW I461747 B TWI461747 B TW I461747B TW 101117824 A TW101117824 A TW 101117824A TW 101117824 A TW101117824 A TW 101117824A TW I461747 B TWI461747 B TW I461747B
- Authority
- TW
- Taiwan
- Prior art keywords
- sheet
- fibers
- light
- base material
- fiber
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0226—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures having particles on the surface
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011111920A JP5859224B2 (ja) | 2011-05-18 | 2011-05-18 | 光拡散シート、これを用いたバックライトユニット及び光拡散シートの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW201303381A TW201303381A (zh) | 2013-01-16 |
TWI461747B true TWI461747B (zh) | 2014-11-21 |
Family
ID=47153801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW101117824A TWI461747B (zh) | 2011-05-18 | 2012-05-18 | A light diffusion sheet, a backlight unit using it, and a light diffusion sheet manufacturing method |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP5859224B2 (ja) |
KR (1) | KR101461503B1 (ja) |
CN (1) | CN102788310B (ja) |
TW (1) | TWI461747B (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015190202A1 (ja) * | 2014-06-10 | 2015-12-17 | 株式会社 きもと | 光拡散性シート及び該シートを含むバックライト装置 |
KR102265369B1 (ko) * | 2017-06-06 | 2021-06-16 | 케이와 인코포레이티드 | 상부용 광 확산 시트 및 그를 구비한 백라이트 유닛 |
JP2022099035A (ja) * | 2020-12-22 | 2022-07-04 | オムロン株式会社 | 表示切替装置、遊技機用のボタン装置、およびスイッチ |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1062785A (ja) * | 1996-08-21 | 1998-03-06 | Goyo Paper Working Co Ltd | 集光性拡散板及びそれを用いたバックライト用照明パネル |
TW200708778A (en) * | 2005-08-30 | 2007-03-01 | Mitsubishi Rayon Co | Optical deflection sheet and method for manufacturing thereof |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62112102A (ja) * | 1985-11-12 | 1987-05-23 | Dainippon Printing Co Ltd | 反射防止光学フイルタ− |
JPH08184704A (ja) * | 1995-01-06 | 1996-07-16 | Sekisui Chem Co Ltd | 光制御シート |
KR100662534B1 (ko) * | 1999-07-15 | 2006-12-28 | 가부시키가이샤 도모에가와 세이시쇼 | 분체 단층 피막 형성방법 |
WO2003032074A1 (fr) * | 2001-09-27 | 2003-04-17 | Tsujiden Co., Ltd. | Film de diffusion de lumiere |
JP2004085626A (ja) * | 2002-08-22 | 2004-03-18 | Keiwa Inc | 光学シート及びこれを用いたバックライトユニット |
KR101082898B1 (ko) * | 2005-05-25 | 2011-11-11 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 갖는 액정표시장치 |
JP4270348B2 (ja) * | 2006-08-02 | 2009-05-27 | 株式会社キョーカ | 静電気植毛ガラス |
US20080080056A1 (en) * | 2006-08-29 | 2008-04-03 | Micron Technology, Inc. | Method and apparatus for reducing microlens surface reflection |
JP2009009078A (ja) * | 2007-05-31 | 2009-01-15 | Dainippon Printing Co Ltd | 光学部材、面光源装置および液晶表示装置 |
JP2010170508A (ja) * | 2009-01-20 | 2010-08-05 | Masahisa Shigematsu | 鏡付きマウスパッド |
-
2011
- 2011-05-18 JP JP2011111920A patent/JP5859224B2/ja active Active
-
2012
- 2012-05-18 CN CN201210156923.7A patent/CN102788310B/zh active Active
- 2012-05-18 TW TW101117824A patent/TWI461747B/zh active
- 2012-05-18 KR KR1020120052920A patent/KR101461503B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1062785A (ja) * | 1996-08-21 | 1998-03-06 | Goyo Paper Working Co Ltd | 集光性拡散板及びそれを用いたバックライト用照明パネル |
TW200708778A (en) * | 2005-08-30 | 2007-03-01 | Mitsubishi Rayon Co | Optical deflection sheet and method for manufacturing thereof |
Also Published As
Publication number | Publication date |
---|---|
TW201303381A (zh) | 2013-01-16 |
KR20120129814A (ko) | 2012-11-28 |
JP5859224B2 (ja) | 2016-02-10 |
CN102788310B (zh) | 2015-03-25 |
JP2012242565A (ja) | 2012-12-10 |
CN102788310A (zh) | 2012-11-21 |
KR101461503B1 (ko) | 2014-11-13 |
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