WO2014121556A1 - 防静电导光板及其制作方法 - Google Patents
防静电导光板及其制作方法 Download PDFInfo
- Publication number
- WO2014121556A1 WO2014121556A1 PCT/CN2013/074144 CN2013074144W WO2014121556A1 WO 2014121556 A1 WO2014121556 A1 WO 2014121556A1 CN 2013074144 W CN2013074144 W CN 2013074144W WO 2014121556 A1 WO2014121556 A1 WO 2014121556A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light guide
- guide plate
- conductive
- organic polymer
- polymer compound
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 150000001875 compounds Chemical class 0.000 claims abstract description 40
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 230000005611 electricity Effects 0.000 claims abstract description 15
- 229920000620 organic polymer Polymers 0.000 claims description 40
- 239000000243 solution Substances 0.000 claims description 23
- 229920000767 polyaniline Polymers 0.000 claims description 17
- 229920000123 polythiophene Polymers 0.000 claims description 13
- 239000003929 acidic solution Substances 0.000 claims description 8
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 8
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 230000003068 static effect Effects 0.000 abstract description 14
- 238000001035 drying Methods 0.000 abstract 1
- 239000002390 adhesive tape Substances 0.000 description 12
- 230000000181 anti-adherent effect Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 241000519995 Stachys sylvatica Species 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003405 preventing effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- G02B6/0065—Manufacturing aspects; Material aspects
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0093—Means for protecting the light guide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
- C08J2300/12—Polymers characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- 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
- G02F2202/00—Materials and properties
- G02F2202/22—Antistatic materials or arrangements
Definitions
- Embodiments of the present invention relate to the field of liquid crystal display technology, and in particular, to an antistatic light guide plate and a method of fabricating the same. Background technique
- the light guide plate (LGP) of the LCD module often exhibits undesirable phenomena such as white spots and/or scratches due to foreign matter. Foreign matter is usually electrostatically adsorbed on the light guide plate. If the static electricity on the light guide plate can be effectively released, the above-mentioned undesirable phenomenon can be avoided.
- the invention provides an antistatic light guide plate and a manufacturing method thereof.
- a light guide plate which is electrically conductive.
- the surface of the light guide plate is provided with a conductive film made of a conductive organic polymer compound.
- the conductive organic polymer compound is polyaniline or polythiamidine.
- the material of the light guide plate is a conductive organic polymer compound, or a conductive organic polymer compound is contained in the material.
- the conductive organic polymer compound is polyaniline and/or polythiophene.
- the surface of the light guide plate is coated with a phosphor layer.
- a side anti-adhesive tape disposed on at least one side of the light guide plate is further included.
- the side anti-adhesive tape includes a conductive layer and a reflective layer, and the reflective layer is in direct contact with at least one side of the light guide plate.
- a method of fabricating a light guide plate comprising the steps of:
- the step of preparing the conductive solution is performed by dissolving the conductive organic polymer compound and the ink in an acidic solution, or by immersing the conductive organic polymer compound in an acidic light guide plate and immersing in the conductive Realized in solution.
- the step of preparing the conductive solution is performed by dissolving the conductive organic polymer compound and the ink in an acidic solution; the step of uniformly adsorbing the conductive solution on the surface of the conventional light guide plate is by passing the conductive solution Spraying is performed on the surface of a conventional light guide plate after cleaning.
- the method further includes the step of: pasting a side intersection on at least one side of the antistatic light guide.
- a method of fabricating a light guide plate comprising the steps of:
- a conductive organic polymer compound or a mixture of a conductive organic polymer compound and polymethyl methacrylate as a raw material, and plasticizing the raw material;
- the method further includes the step of: affixing a side anti-adhesive tape to at least one side of the light guide plate.
- FIG. 1 is a view showing a side surface of an antistatic light guide plate according to Embodiments 1 to 3 of the present invention
- FIG. 2 is a schematic view of the side surface of the antistatic light guide plate according to the first to third embodiments of the present invention.
- FIG. 3 is a cross-sectional view of the antistatic light guide plate according to Embodiments 1 to 3 of the present invention taken along line AA of FIGS. 1 and 2; 4 is a flowchart of a method for fabricating an antistatic light guide plate according to Embodiment 1 of the present invention; FIG. 5 is a flowchart of a method for fabricating an antistatic light guide plate according to Embodiment 2 of the present invention; A flow chart of a method for manufacturing an antistatic light guide plate.
- 1-antistatic light guide plate 2-side; 3-side reverse tape; 4-conductive layer; 5-reflective layer.
- the antistatic light guide plate provided in this embodiment can be electrically conductive.
- the surface of the antistatic light guide plate provided in this embodiment is provided with a conductive film made of a conductive organic polymer compound.
- the conductive organic polymer compound is polyaniline or polythiamidine.
- the side surface 2 of the antistatic light guide plate 1 is provided with a conductive side anti-adhesive tape 3, as shown in Figs. 1 and 2.
- the side anti-adhesive tape 3 includes a conductive layer 4 and a reflective layer 5, and the reflective layer 5 is directly in contact with the side surface 2 of the antistatic light guide plate 1, as shown in FIG.
- the conductive layer 4 functions to release the light guide plate.
- the static electricity generated on the surface, the main function of the reflective layer 5 is to reflect the light emitted from the side of the light guide plate back into the interior of the light guide plate.
- the static electricity generated by the light guide plate is mostly distributed at the edge position thereof, and the contact with the conductive tape can release the static electricity on the surface of the light guide plate to the outside, and therefore, the two layers can realize the conduction effect by the two layers.
- the side anti-adhesive tape 3 may be disposed on the remaining side of the light guide plate 1 shown in FIG. 1 except for the backlight, for example, disposed on at least one side, and the same effect can be achieved. .
- the manufacturing method of the antistatic light guide plate provided in this embodiment includes the following steps:
- S1 preparing a conductive solution obtained by dissolving the conductive organic polymer compound and the ink in an acidic solution, or by dissolving the conductive organic polymer compound in an acidic solution;
- the method further includes the following steps:
- the antistatic light guide plate is passed through an electrically conductive positioning post (not shown) and an electrically conductive back plate. (Back Cover) (not shown) can release static electricity from the anti-static light guide plate to prevent static electricity from adsorbing foreign matter.
- the antistatic light guide plate provided in this embodiment can be electrically conductive.
- the surface of the antistatic light guide plate provided in this embodiment is provided with a conductive film made of a conductive organic polymer compound.
- the conductive organic polymer compound is polyaniline or polythiophene.
- the side surface 2 of the antistatic light guide plate 1 is adhered with a conductive side anti-adhesive tape 3, as shown in Figs. 1 and 2.
- the side anti-adhesive tape 3 includes a conductive layer 4 and a reflective layer 5, and the reflective layer 5 is directly adhered to the side 2 of the antistatic light guide plate 1, as shown in FIG.
- the method for manufacturing an antistatic light guide plate includes the following steps: S10: preparing a conductive solution obtained by dissolving a conductive organic polymer compound and an ink in an acidic solution; The function of the ink is to make the conductive organic polymer in the conductive solution more easily attached to the surface of the light guide plate.
- the method further includes the following steps:
- the antistatic light guide plate is passed through an electrically conductive positioning post (not shown) and can be guided.
- the electrical backplane (not shown) is in contact, the static electricity on the anti-static light guide plate can be released to prevent static electricity from adsorbing foreign matter.
- the antistatic light guide plate provided in this embodiment can be electrically conductive.
- the material of the antistatic light guide plate provided in this embodiment is a conductive organic polymer compound, or the material thereof contains a conductive organic polymer compound, so that the antistatic light guide plate can conduct electricity.
- the conductive organic polymer compound is polyaniline and/or polythiophene.
- the solid polyaniline is green and the solid polythiophene is red.
- the light transmission properties of polyaniline and polythiophene are very close to those of PMMA (polymethyl methacrylate). If polyaniline is used as a raw material, or a mixture of polyaniline and PMMA is used as a raw material, the obtained antistatic light guide plate is green. If polythiophene is used as a raw material, or a mixture of polythiophene and PMMA is used as a raw material, the obtained antistatic light guide plate is red. If a mixture of polyaniline, polythiophene and PMMA is used as the raw material, the antistatic light guide plate obtained has a red-green color mixture.
- the green anti-static light guide converts the white light into green light.
- the red anti-static light guide converts white light into red light.
- the red-green mixed color anti-static light guide plate converts the white light into a red-green mixed light.
- the surface of the antistatic light guide plate is coated with a phosphor layer capable of converting red light or green light after being converted by the antistatic light guide plate. The red-green mixed light is converted to white light again.
- the side surface 2 of the antistatic light guide plate 1 is adhered with a conductive sideband 3 as shown in Figs. 1 and 2.
- the sideband 3 includes a conductive layer 4 and a reflective layer 5, and the reflective layer 5 is directly attached to the side 2 of the antistatic light guide plate 1, as shown in FIG.
- the manufacturing method of the antistatic light guide plate provided in this embodiment includes the following steps:
- the conductive organic polymer compound in the step S100 is, for example, polyaniline and/or polythiophene.
- the method further comprises the following steps:
- S500 coating a phosphor layer on a surface of the antistatic light guide plate.
- the method further includes the following steps:
- the antistatic light guide plate is contacted with a conductive backing plate (not shown) through an electrically conductive positioning post (not shown) to release static electricity on the antistatic light guide plate.
- a conductive backing plate not shown
- an electrically conductive positioning post not shown
- the surface of the antistatic light guide plate according to the embodiment of the present invention is provided with a conductive film, or the material of the antistatic light guide plate is a conductive organic polymer compound or a conductive organic polymer compound thereof.
- the antistatic light guide plate is made conductive, so that static electricity can be effectively released.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/361,022 US9395480B2 (en) | 2013-02-07 | 2013-04-12 | Antistatic light guide plate and method for fabricating the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310049532.X | 2013-02-07 | ||
CN201310049532XA CN103091768A (zh) | 2013-02-07 | 2013-02-07 | 一种防静电导光板及其制作方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014121556A1 true WO2014121556A1 (zh) | 2014-08-14 |
Family
ID=48204560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2013/074144 WO2014121556A1 (zh) | 2013-02-07 | 2013-04-12 | 防静电导光板及其制作方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9395480B2 (zh) |
CN (1) | CN103091768A (zh) |
WO (1) | WO2014121556A1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105807362B (zh) * | 2016-06-01 | 2018-12-11 | 京东方科技集团股份有限公司 | 导光板及其制作方法、背光模组及显示装置 |
CN209148998U (zh) * | 2019-01-21 | 2019-07-23 | 京东方科技集团股份有限公司 | 显示面板及显示系统 |
CN112714538A (zh) * | 2020-12-23 | 2021-04-27 | 常州欣战江特种纤维有限公司 | 一种适用于化纤控制上位机静电减弱的方法 |
CN115090477A (zh) * | 2022-08-05 | 2022-09-23 | 安徽艾雅伦新材料科技有限公司 | 一种pvc板材防静电镀膜设备及其镀膜方法 |
Citations (6)
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JP2001152077A (ja) * | 1999-11-26 | 2001-06-05 | Matsumoto Yushi Seiyaku Co Ltd | 耐久性に優れた塗布型の帯電防止剤組成物 |
CN1725106A (zh) * | 2004-07-05 | 2006-01-25 | 富士胶片株式会社 | 防静电薄膜及其制造方法和记录元件 |
CN101089112A (zh) * | 2006-06-16 | 2007-12-19 | 住友化学株式会社 | 抗静电剂组合物 |
CN101625463A (zh) * | 2008-07-09 | 2010-01-13 | 奇美电子股份有限公司 | 复合胶带及显示装置 |
CN102207577A (zh) * | 2011-05-16 | 2011-10-05 | 深圳市华星光电技术有限公司 | 防静电导光板及背光模块 |
CN102819061A (zh) * | 2012-08-24 | 2012-12-12 | 深圳市华星光电技术有限公司 | 导光板及其制作方法 |
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CN1220076C (zh) * | 2001-01-31 | 2005-09-21 | 日本瑞翁株式会社 | 导光板及照明单元 |
US7153620B2 (en) * | 2003-09-23 | 2006-12-26 | Eastman Kodak Company | Transparent invisible conductive grid |
KR100604221B1 (ko) * | 2004-05-29 | 2006-07-24 | 서광석 | 액정 디스플레이용 먼지 부착 방지 확산판 및 이를제조하는 방법 |
US7087351B2 (en) * | 2004-09-29 | 2006-08-08 | Eastman Kodak Company | Antistatic layer for electrically modulated display |
JP4195050B2 (ja) * | 2006-06-16 | 2008-12-10 | 住友化学株式会社 | 帯電防止剤組成物 |
JP5268083B2 (ja) * | 2006-09-01 | 2013-08-21 | 日東電工株式会社 | 偏光子保護フィルム、偏光板、および画像表示装置 |
WO2008050573A1 (fr) * | 2006-10-26 | 2008-05-02 | Nippon Shokubai Co., Ltd. | Film de protection de polariseur, plaque de polarisation et affichage d'image |
US8845173B2 (en) * | 2011-05-16 | 2014-09-30 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Static-free light guide plate assembly and backlight module |
-
2013
- 2013-02-07 CN CN201310049532XA patent/CN103091768A/zh active Pending
- 2013-04-12 US US14/361,022 patent/US9395480B2/en active Active
- 2013-04-12 WO PCT/CN2013/074144 patent/WO2014121556A1/zh active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001152077A (ja) * | 1999-11-26 | 2001-06-05 | Matsumoto Yushi Seiyaku Co Ltd | 耐久性に優れた塗布型の帯電防止剤組成物 |
CN1725106A (zh) * | 2004-07-05 | 2006-01-25 | 富士胶片株式会社 | 防静电薄膜及其制造方法和记录元件 |
CN101089112A (zh) * | 2006-06-16 | 2007-12-19 | 住友化学株式会社 | 抗静电剂组合物 |
CN101625463A (zh) * | 2008-07-09 | 2010-01-13 | 奇美电子股份有限公司 | 复合胶带及显示装置 |
CN102207577A (zh) * | 2011-05-16 | 2011-10-05 | 深圳市华星光电技术有限公司 | 防静电导光板及背光模块 |
CN102819061A (zh) * | 2012-08-24 | 2012-12-12 | 深圳市华星光电技术有限公司 | 导光板及其制作方法 |
Also Published As
Publication number | Publication date |
---|---|
US20150234115A1 (en) | 2015-08-20 |
US9395480B2 (en) | 2016-07-19 |
CN103091768A (zh) | 2013-05-08 |
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