TWI684049B - 液晶顯示裝置用光擴散片及液晶顯示裝置用背光單元 - Google Patents
液晶顯示裝置用光擴散片及液晶顯示裝置用背光單元 Download PDFInfo
- Publication number
- TWI684049B TWI684049B TW106145943A TW106145943A TWI684049B TW I684049 B TWI684049 B TW I684049B TW 106145943 A TW106145943 A TW 106145943A TW 106145943 A TW106145943 A TW 106145943A TW I684049 B TWI684049 B TW I684049B
- Authority
- TW
- Taiwan
- Prior art keywords
- light
- sheet
- light diffusion
- diffusion sheet
- layer
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 66
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 44
- 238000009792 diffusion process Methods 0.000 claims description 231
- 239000000463 material Substances 0.000 claims description 29
- 239000011324 bead Substances 0.000 claims description 22
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000010410 layer Substances 0.000 description 153
- 229920005989 resin Polymers 0.000 description 33
- 239000011347 resin Substances 0.000 description 33
- 239000011295 pitch Substances 0.000 description 24
- 238000004519 manufacturing process Methods 0.000 description 22
- 239000011342 resin composition Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 15
- 239000011230 binding agent Substances 0.000 description 10
- 230000006378 damage Effects 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 8
- 230000002441 reversible effect Effects 0.000 description 6
- 229920003002 synthetic resin Polymers 0.000 description 6
- 239000000057 synthetic resin Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- -1 polyethylene terephthalate Polymers 0.000 description 5
- 229920000178 Acrylic resin Polymers 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 238000003475 lamination Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 238000009751 slip forming Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- YBNMDCCMCLUHBL-UHFFFAOYSA-N (2,5-dioxopyrrolidin-1-yl) 4-pyren-1-ylbutanoate Chemical compound C=1C=C(C2=C34)C=CC3=CC=CC4=CC=C2C=1CCCC(=O)ON1C(=O)CCC1=O YBNMDCCMCLUHBL-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 208000032544 Cicatrix Diseases 0.000 description 1
- 229910000673 Indium arsenide Inorganic materials 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 241000353097 Molva molva Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 229920005601 base polymer Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- QHIWVLPBUQWDMQ-UHFFFAOYSA-N butyl prop-2-enoate;methyl 2-methylprop-2-enoate;prop-2-enoic acid Chemical compound OC(=O)C=C.COC(=O)C(C)=C.CCCCOC(=O)C=C QHIWVLPBUQWDMQ-UHFFFAOYSA-N 0.000 description 1
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 210000002858 crystal cell Anatomy 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000002096 quantum dot Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000037387 scars Effects 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
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
- 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
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
-
- 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
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk of the light guide
-
- 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
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Planar Illumination Modules (AREA)
- Optical Elements Other Than Lenses (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-256644 | 2016-12-28 | ||
| JP2016256644 | 2016-12-28 | ||
| JP2017-228621 | 2017-11-29 | ||
| JP2017228621A JP7161287B2 (ja) | 2016-12-28 | 2017-11-29 | 液晶表示装置用光学シート及び液晶表示装置用バックライトユニット |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201841029A TW201841029A (zh) | 2018-11-16 |
| TWI684049B true TWI684049B (zh) | 2020-02-01 |
Family
ID=62845236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW106145943A TWI684049B (zh) | 2016-12-28 | 2017-12-27 | 液晶顯示裝置用光擴散片及液晶顯示裝置用背光單元 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7161287B2 (ja) |
| KR (1) | KR102146505B1 (ja) |
| TW (1) | TWI684049B (ja) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020066311A1 (ja) * | 2018-09-28 | 2020-04-02 | 株式会社巴川製紙所 | 異方性光学フィルムを用いた導光積層体、及び、それを用いた表示装置用面状照明装置 |
| CN109407366B (zh) * | 2018-12-28 | 2023-02-17 | 深圳Tcl新技术有限公司 | 液晶显示装置 |
| JP7446766B2 (ja) * | 2019-10-24 | 2024-03-11 | 日東電工株式会社 | 光拡散フィルムおよび光拡散フィルムを備える偏光板 |
| JP7374748B2 (ja) * | 2019-12-16 | 2023-11-07 | 恵和株式会社 | 光拡散シート及び液晶表示装置用バックライトユニット |
| JP2021103275A (ja) * | 2019-12-25 | 2021-07-15 | サンテックオプト株式会社 | 耐スクラッチ性に優れた拡散シート、積層光学フィルム及び拡散シートの作製方法 |
| JP7562486B2 (ja) * | 2021-07-07 | 2024-10-07 | 恵和株式会社 | 光拡散シート、バックライトユニット、液晶表示装置、情報機器、及び光拡散シートの製造方法 |
| CN114384725A (zh) * | 2021-12-30 | 2022-04-22 | 南京贝迪新材料科技股份有限公司 | 一种量子点复合膜及其制备方法 |
| TW202424537A (zh) * | 2022-08-05 | 2024-06-16 | 日商Ｓｃｉｖａｘ股份有限公司 | 光學元件、光學系統裝置以及光學系統裝置的製造方法 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080303777A1 (en) * | 2007-06-08 | 2008-12-11 | Kazuko Inoue | Optical adjusting member, and illumination device and liquid crystal display device including the same |
| US20100079701A1 (en) * | 2006-12-08 | 2010-04-01 | Yoshiaki Murayama | Lens sheet, surface light source device, and liquid crystal display device |
| US20100238685A1 (en) * | 2009-03-18 | 2010-09-23 | Kuo-Jui Huang | Light diffraction member and display and backlight module having the same |
| JP2011013430A (ja) * | 2009-07-01 | 2011-01-20 | Mitsubishi Rayon Co Ltd | プリズムシートおよび該プリズムシートを用いた面光源装置 |
| US20110026124A1 (en) * | 2007-11-30 | 2011-02-03 | Kolon Industries, Inc. | Multi-functional optic film |
| US20120020081A1 (en) * | 2009-03-25 | 2012-01-26 | Dai Nippon Printing Co., Ltd. | Surface light source device, optical member, and display device |
| US20120069599A1 (en) * | 2009-05-28 | 2012-03-22 | Koninklijke Philips Electronics N.V. | Transparent luminous window |
| TW201248211A (en) * | 2011-04-12 | 2012-12-01 | Keiwa Inc | Optical diffusion sheet, optical unit, backlight unit and liquid crystal display device |
| TW201326912A (zh) * | 2011-09-27 | 2013-07-01 | Skc Haas Display Films Co Ltd | 製造高亮度光學片之方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3753785B2 (ja) * | 1996-05-14 | 2006-03-08 | 日東電工株式会社 | 光拡散フィルムおよびそれを用いた面光源装置 |
| JP2002127341A (ja) | 2000-10-26 | 2002-05-08 | Toyobo Co Ltd | 光拡散板用ビーズコートフィルム積層体 |
| JP4205388B2 (ja) | 2002-09-05 | 2009-01-07 | ダイセル化学工業株式会社 | 異方性拡散フィルムおよびそれを備えた装置 |
| JP2005077448A (ja) | 2003-08-29 | 2005-03-24 | Keiwa Inc | 光拡散シート及びこれを用いたバックライトユニット |
| JP2007272208A (ja) | 2006-03-06 | 2007-10-18 | Nippon Shokubai Co Ltd | 光拡散シートおよび光拡散板、ならびにそれらを用いたバックライトユニットおよび液晶表示装置 |
| JP2011064745A (ja) | 2009-09-15 | 2011-03-31 | Toppan Printing Co Ltd | 光学シート、バックライトユニット及びディスプレイ装置 |
| JP5614128B2 (ja) | 2010-06-30 | 2014-10-29 | 凸版印刷株式会社 | 光学シート、バックライトユニット及びディスプレイ装置 |
| KR102157549B1 (ko) * | 2010-10-15 | 2020-09-21 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 이를 구비한 액정표시장치 |
| JP5660235B2 (ja) | 2013-03-18 | 2015-01-28 | 王子ホールディングス株式会社 | 表面微細凹凸体および表面微細凹凸体の製造方法 |
| JP2015069834A (ja) | 2013-09-30 | 2015-04-13 | 大日本印刷株式会社 | 導光板、及び面光源装置 |
-
2017
- 2017-11-29 JP JP2017228621A patent/JP7161287B2/ja active Active
- 2017-12-27 TW TW106145943A patent/TWI684049B/zh active
- 2017-12-27 KR KR1020170180700A patent/KR102146505B1/ko active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100079701A1 (en) * | 2006-12-08 | 2010-04-01 | Yoshiaki Murayama | Lens sheet, surface light source device, and liquid crystal display device |
| US20080303777A1 (en) * | 2007-06-08 | 2008-12-11 | Kazuko Inoue | Optical adjusting member, and illumination device and liquid crystal display device including the same |
| US20110026124A1 (en) * | 2007-11-30 | 2011-02-03 | Kolon Industries, Inc. | Multi-functional optic film |
| US20100238685A1 (en) * | 2009-03-18 | 2010-09-23 | Kuo-Jui Huang | Light diffraction member and display and backlight module having the same |
| US20120020081A1 (en) * | 2009-03-25 | 2012-01-26 | Dai Nippon Printing Co., Ltd. | Surface light source device, optical member, and display device |
| US20120069599A1 (en) * | 2009-05-28 | 2012-03-22 | Koninklijke Philips Electronics N.V. | Transparent luminous window |
| JP2011013430A (ja) * | 2009-07-01 | 2011-01-20 | Mitsubishi Rayon Co Ltd | プリズムシートおよび該プリズムシートを用いた面光源装置 |
| TW201248211A (en) * | 2011-04-12 | 2012-12-01 | Keiwa Inc | Optical diffusion sheet, optical unit, backlight unit and liquid crystal display device |
| TW201326912A (zh) * | 2011-09-27 | 2013-07-01 | Skc Haas Display Films Co Ltd | 製造高亮度光學片之方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201841029A (zh) | 2018-11-16 |
| KR20180077076A (ko) | 2018-07-06 |
| KR102146505B1 (ko) | 2020-08-21 |
| JP7161287B2 (ja) | 2022-10-26 |
| JP2018109748A (ja) | 2018-07-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI684049B (zh) | 液晶顯示裝置用光擴散片及液晶顯示裝置用背光單元 | |
| US10386567B2 (en) | Optical sheet for liquid crystal display device, backlight unit for liquid crystal display device and production method of optical sheet for liquid crystal display device | |
| KR100864321B1 (ko) | 프리즘 계곡부위에 무정형의 돌기형상을 가지는 광확산체를포함하는 디퓨져 프리즘 시트 및 이를 이용한액정표시장치 | |
| CN108254818B (zh) | 液晶显示装置用光学片及液晶显示装置用背光单元 | |
| TWI639871B (zh) | 液晶顯示裝置用光學片、液晶顯示裝置用背光單元及液晶顯示裝置用光學片的製造方法 | |
| US20130063956A1 (en) | Diffuser-integrated prism sheet for backlight units and method of manufacturing the same | |
| US20140104871A1 (en) | Light management film | |
| JP4970663B2 (ja) | 光拡散シート及びこれを用いたバックライトユニット | |
| JP2010210882A (ja) | 光学シート及びそれを用いたディスプレイ装置 | |
| JP2010164657A (ja) | 光学シート、バックライトユニット及びディスプレイ装置 | |
| JP2010160437A (ja) | 光学シート、バックライト・ユニット及びディスプレイ装置 | |
| JP6974004B2 (ja) | バックライトユニット用光学シート及びバックライトユニット | |
| JP2004126376A (ja) | 光学ユニット及びこれを用いたバックライトユニット | |
| JP2010122628A (ja) | 光学シート、バックライト・ユニット及びディスプレイ装置 | |
| CN107515437B (zh) | 背光单元用棱镜片及液晶显示装置用背光单元 | |
| JP4837814B2 (ja) | 光拡散シート及びこれを用いたバックライトユニット | |
| WO2017104677A1 (ja) | バックライトユニット用光学シート及びバックライトユニット | |
| JP2011145476A (ja) | 光学シート、面光源装置、及び透過型表示装置 | |
| JP7374748B2 (ja) | 光拡散シート及び液晶表示装置用バックライトユニット |