WO2015154370A1 - 一种相位差板的制作方法 - Google Patents
一种相位差板的制作方法 Download PDFInfo
- Publication number
- WO2015154370A1 WO2015154370A1 PCT/CN2014/085729 CN2014085729W WO2015154370A1 WO 2015154370 A1 WO2015154370 A1 WO 2015154370A1 CN 2014085729 W CN2014085729 W CN 2014085729W WO 2015154370 A1 WO2015154370 A1 WO 2015154370A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- film layer
- polarized light
- circularly polarized
- light region
- laser
- Prior art date
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
- G02B30/25—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type using polarisation techniques
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
- G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3083—Birefringent or phase retarding elements
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/0005—Production of optical devices or components in so far as characterised by the lithographic processes or materials used therefor
- G03F7/001—Phase modulating patterns, e.g. refractive index patterns
Definitions
- Embodiments of the present disclosure relate to a method of fabricating a phase difference plate.
- the basic principle of the stereoscopic display is to generate a stereoscopic image by using the parallax, that is, the left eye of the person sees the left eye image, and the right eye sees the right eye image, wherein the left and right eye images are a pair of stereoscopic image pairs with parallax.
- Polarized glasses stereoscopic display is the mainstream stereoscopic display technology today.
- the basic structure of this technology is to install a device that can adjust the direction of the polarized light in front of the display panel.
- the device can be a phase difference plate, a liquid crystal cell, or other device that can adjust the direction of light emitted by different pixels.
- the technique of using a pattern retarder is most favored.
- Its basic structure is that after a precise alignment on the display panel, a phase difference plate is attached, and different phase delays can be generated by using different regions on the phase difference plate, so that light of different pixels is emitted in different polarization directions, and the viewer wears Polarized glasses can see the 3D effect.
- the inventors have found that the current method for fabricating a 3D display panel based on a phase difference plate is to first fabricate a phase difference plate on a substrate glass or a film substrate, and then attach the phase difference plate to the display with a double-sided tape or other adhesive.
- the problem in the manufacturing process of the above-mentioned phase difference plate is that when the phase difference plate is attached to the display panel, it is always difficult to accurately align the position, and the accuracy is very low, resulting in a good 3D product manufactured by this method. The rate is very low and the crosstalk is severe.
- One of the technical problems to be solved by the embodiments of the present disclosure is to provide a method for fabricating a phase difference plate, which can ensure the alignment accuracy of the phase difference plate and the display panel, and ensure the yield of the 3D product.
- At least one embodiment of the present disclosure provides a method of fabricating a phase difference plate, including:
- a film layer is formed on the base substrate, and the film layer is patterned by a laser to form a left-handed circularly polarized light region and a right-handed circularly polarized light region.
- the film layer includes a first film layer and a second film layer.
- Forming a film layer on the base substrate, and patterning the film layer by using a laser to form a left-handed circularly polarized light region and a right-handed circularly polarized light region include:
- the second film layer is patterned by a laser to form the right circularly polarized light region.
- the left circularly polarized light region includes a first film layer, and the right circularly polarized light region includes a second film layer.
- Forming a film layer on the base substrate, and patterning the film layer by using a laser to form a left-handed circularly polarized light region and a right-handed circularly polarized light region include:
- the second film layer is patterned to form the left circularly polarized light region and the right circularly polarized light region.
- the left circularly polarized light region includes a first film layer
- the right circularly polarized light region includes a stacked first film layer and a second film layer.
- the left circularly polarized light region and the right circularly polarized light region are both strip-shaped, and the left circularly polarized light region and the right circularly polarized light region are alternately disposed.
- the corresponding film layer formed on the substrate can be directly processed by using the laser light emitted by the laser by setting the traveling route of the laser.
- the patterning process causes a portion of the film layer to be irradiated and heated by the laser light emitted by the laser, and the heated partial region is detached from the substrate substrate, and the remaining portion forms a left-handed circularly polarized light region or a right-handed circularly polarized light.
- the area without the use of a mask, ensures the accuracy of the formed left-handed circularly polarized light region and right-handed circularly polarized light region.
- the film layer can be directly formed on the base substrate of the display panel, and the left-hand circularly polarized light region and the right-hand circularly polarized light region are directly aligned in the laser patterning process to prevent the left-handed circularly polarized light region and the right.
- the deviation of the circularly polarized light region from the display panel affects the user's 3D viewing effect.
- FIG. 1 is a schematic flow chart 1 of a method for fabricating a phase difference plate according to an embodiment of the present disclosure
- FIG. 2 is a schematic flow chart 2 of a method for fabricating a phase difference plate according to an embodiment of the present disclosure
- FIG. 3 is a schematic structural view 1 of a phase difference plate according to an embodiment of the present disclosure.
- phase difference plate 4 is a second structural diagram of a phase difference plate according to an embodiment of the present disclosure.
- FIG. 5 is a third structural diagram of a phase difference plate according to an embodiment of the present disclosure.
- FIG. 6 is a schematic structural view 4 of a phase difference plate according to an embodiment of the present disclosure.
- FIG. 7 is a schematic structural view 5 of a phase difference plate according to an embodiment of the present disclosure.
- FIG. 8 is a schematic flowchart 3 of a method for fabricating a phase difference plate according to an embodiment of the present disclosure
- FIG. 9 is a schematic structural view 6 of a phase difference plate according to an embodiment of the present disclosure.
- FIG. 10 is a structural schematic diagram 7 of a phase difference plate according to an embodiment of the present disclosure.
- FIG. 11 is a structural schematic diagram 8 of a phase difference plate according to an embodiment of the present disclosure.
- the embodiment of the present disclosure provides a method for fabricating a phase difference plate. As shown in FIG. 1 , the method for manufacturing the phase difference plate includes:
- Step 101 forming a film layer on the base substrate, and patterning the film layer by using a laser to form a left-handed circularly polarized light region and a right-handed circularly polarized light region.
- Polarized glasses stereoscopic display is the mainstream stereoscopic display technology today.
- the technique of adopting a pattern retarder is the most popular. Its basic structure is to attach a phase difference plate on the display panel, and different phase delays can be generated by using different regions on the phase difference plate, so that light of different pixels can be emitted in different polarization directions, and the viewer can watch the polarized glasses. To 3D effect.
- the principle of the stereoscopic display of the phase difference plate is: a screen displayed on the display panel, a phase difference plate, an exit screen, and polarized glasses for viewing.
- On the display panel one line shows the right eye diagram, one line shows the left eye diagram, and a phase difference plate is placed in front of it, one line is delayed by ⁇ /4, one line is delayed by 3 ⁇ /4, and ⁇ is the wavelength of light, so that left-hand circular polarization can be formed separately.
- the corresponding film layer formed on the base substrate can be directly performed by using the laser light emitted by the laser by setting the traveling route of the laser.
- the patterning process causes a part of the film layer to be irradiated and heated by the laser light emitted by the laser, and the heated partial region is detached from the substrate substrate, and the remaining partial region forms a left-handed circularly polarized light region or a right-handed circularly polarized light. region.
- the precision of the formed left circularly polarized light region and right circularly polarized light region is ensured without using the mask.
- the film layer can be directly formed on the base substrate of the display panel, and the left-hand circularly polarized light region and the right-hand circularly polarized light region are directly aligned in the laser patterning process to prevent the left-handed circularly polarized light region and the right.
- a misalignment occurs between the circularly polarized light region and the display panel, which affects the user's 3D viewing effect.
- the film layer is sensitive to laser light, and may be selected from a material such as Mesogen, Polyethylene Terephthalate (PET) or Polycarbonate (PC).
- PET Polyethylene Terephthalate
- PC Polycarbonate
- the film layer may include a first film layer and a second film layer, respectively.
- step 101 may include:
- Step 201 forming a first film layer on the base substrate.
- a first film layer 2 is formed on the base substrate 1, for example, a film layer of ⁇ /4, where ⁇ is a light wavelength.
- Step 202 Perform a patterning process on the first film layer by using a laser to form the left circularly polarized light region.
- Step 203 forming a second film layer on the base substrate.
- a second film layer 5 for forming a right-handed polarized light region 6 is formed on the base substrate 1 on which the left-hand circularly polarized light region 4 is formed, as shown in Fig. 6, for example, a film of 3 ⁇ /4. a layer, where ⁇ is the wavelength of light.
- Step 204 Perform a patterning process on the second film layer by using a laser to form the right circularly polarized light region.
- step 202 After the laser irradiation, the region of the second film layer 5 that is heated by the laser light is detached from the base substrate 1, and after peeling off the detached second film layer 5, a right-handed circularly polarized light region is formed. 6. As shown in FIG. 7, the left circularly polarized light region 4 and the right circularly polarized light region 6 are both strip-shaped, and the left circularly polarized light region 4 and the right circularly polarized light region 6 are alternately disposed.
- the left circularly polarized light region 4 includes a first film layer 2
- the right circularly polarized light region 6 includes a second film layer 5.
- the wavelength and intensity of the laser light emitted by the laser 3 need to be adjusted according to the material and thickness of the film layer to be heated.
- the embodiment of the present disclosure does not specifically limit this.
- the right-handed circularly polarized light region 6 may be first formed, and the left-handed circularly polarized light region 4 may be produced, and details are not described herein again.
- step 101 may further include:
- Step 301 forming a first film layer on the base substrate.
- a first film layer 2 is formed on the base substrate 1, for example, the first film layer is a film layer of ⁇ /4, where ⁇ is a light wavelength.
- Step 302 forming a second film layer on the first film layer.
- a second film layer 5 is formed on the first film layer 2, for example, the second film layer 5 is a film layer of ⁇ /2, wherein ⁇ is a light wavelength. .
- Step 303 Perform a patterning process on the second film layer to form the left circularly polarized light region and the right circularly polarized light region.
- the left circularly polarized light region 4 includes a first film layer 2 including the first film layer 2 and the second film layer 5 which are laminated. .
- the wavelength and intensity of the laser light emitted by the laser 3 need to be adjusted according to the material and thickness of the film layer to be heated, so as to prevent the laser from heating the first film layer 2 for forming the left-hand circularly polarized light region 4 to fall off. .
- the left circularly polarized light region 4 and the right circularly polarized light region 6 in the phase difference plate formed by the manufacturing method shown in FIG. The strips are strip-shaped, and the left circularly polarized light region 4 and the right circularly polarized light region 6 are alternately arranged.
- phase difference plate formed by the embodiment of the present disclosure can be used for forming a 3D display device in addition to the display panel, and can also be used to form polarized 3D glasses, and details are not described herein again.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Polarising Elements (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
Description
Claims (7)
- 一种相位差板的制作方法,包括:在衬底基板上形成膜层,并利用激光对所述膜层进行构图工艺,形成左旋圆偏振光区域和右旋圆偏振光区域。
- 根据权利要求1所述的制作方法,其中,所述膜层包括第一膜层和第二膜层。
- 根据权利要求2所述的制作方法,其中,所述在衬底基板上形成膜层,并利用激光对所述膜层进行构图工艺,形成左旋圆偏振光区域和右旋圆偏振光区域包括:在所述衬底基板上形成第一膜层;利用激光对所述第一膜层进行构图工艺,形成所述左旋圆偏振光区域;在所述衬底基板上形成第二膜层;利用激光对所述第二膜层进行构图工艺,形成所述右旋圆偏振光区域。
- 根据权利要求2或3所述的制作方法,其中,所述左旋圆偏振光区域包括第一膜层,所述右旋圆偏振光区域包括第二膜层。
- 根据权利要求2所述的制作方法,其中,所述在衬底基板上形成膜层,并利用激光对所述膜层进行构图工艺,形成左旋圆偏振光区域和右旋圆偏振光区域包括:在所述衬底基板上形成第一膜层;在所述第一膜层上形成第二膜层;对所述第二膜层进行构图工艺,形成所述左旋圆偏振光区域和所述右旋圆偏振光区域。
- 根据权利要求2或5所述的制作方法,其中,所述左旋圆偏振光区域包括第一膜层,所述右旋圆偏振光区域包括层叠的第一膜层和第二膜层。
- 根据权利要求1至6中任何一项所述的制作方法,其中,所述左旋圆偏振光区域和所述右旋圆偏振光区域均为条状,多个所述左旋圆偏振光区域和多个所述右旋圆偏振光区域交替设置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US14/437,126 US20160246067A1 (en) | 2014-04-10 | 2014-09-02 | Method for manufacturing pattern retarder |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201410143020.4 | 2014-04-10 | ||
CN201410143020.4A CN103941322B (zh) | 2014-04-10 | 2014-04-10 | 一种相位差板的制作方法 |
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WO2015154370A1 true WO2015154370A1 (zh) | 2015-10-15 |
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PCT/CN2014/085729 WO2015154370A1 (zh) | 2014-04-10 | 2014-09-02 | 一种相位差板的制作方法 |
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US (1) | US20160246067A1 (zh) |
CN (1) | CN103941322B (zh) |
WO (1) | WO2015154370A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114153076A (zh) * | 2021-12-02 | 2022-03-08 | 宁波维真显示科技股份有限公司 | 3d偏振膜的制备装置及方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103941322B (zh) * | 2014-04-10 | 2017-01-18 | 合肥京东方光电科技有限公司 | 一种相位差板的制作方法 |
CN106918863B (zh) | 2017-05-12 | 2019-09-13 | 京东方科技集团股份有限公司 | 相位膜基板及其制造方法和显示装置 |
CN109270696B (zh) * | 2018-11-08 | 2021-02-09 | 宁波维真显示科技股份有限公司 | 3d膜的制备方法 |
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US6368760B1 (en) * | 1996-11-22 | 2002-04-09 | Sharp Kabushiki Kaisha | Phase sheet |
CN101290370A (zh) * | 2008-06-13 | 2008-10-22 | 友达光电股份有限公司 | 相位差片及应用其的立体显像液晶显示器的制造方法 |
CN102629000A (zh) * | 2012-03-26 | 2012-08-08 | 京东方科技集团股份有限公司 | 一种3d显示面板及其制造方法和显示装置 |
CN202886787U (zh) * | 2012-11-15 | 2013-04-17 | 京东方科技集团股份有限公司 | 相位差板及显示装置 |
CN103941322A (zh) * | 2014-04-10 | 2014-07-23 | 合肥京东方光电科技有限公司 | 一种相位差板的制作方法 |
Family Cites Families (2)
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JP3461680B2 (ja) * | 1997-03-13 | 2003-10-27 | シャープ株式会社 | 光学素子の製造方法および画像表示装置 |
TWI498207B (zh) * | 2010-07-12 | 2015-09-01 | Dexerials Corp | Manufacturing method of mother board, manufacturing method of alignment film, manufacturing method of phase difference plate, and manufacturing method of display device |
-
2014
- 2014-04-10 CN CN201410143020.4A patent/CN103941322B/zh not_active Expired - Fee Related
- 2014-09-02 WO PCT/CN2014/085729 patent/WO2015154370A1/zh active Application Filing
- 2014-09-02 US US14/437,126 patent/US20160246067A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6368760B1 (en) * | 1996-11-22 | 2002-04-09 | Sharp Kabushiki Kaisha | Phase sheet |
CN101290370A (zh) * | 2008-06-13 | 2008-10-22 | 友达光电股份有限公司 | 相位差片及应用其的立体显像液晶显示器的制造方法 |
CN102629000A (zh) * | 2012-03-26 | 2012-08-08 | 京东方科技集团股份有限公司 | 一种3d显示面板及其制造方法和显示装置 |
CN202886787U (zh) * | 2012-11-15 | 2013-04-17 | 京东方科技集团股份有限公司 | 相位差板及显示装置 |
CN103941322A (zh) * | 2014-04-10 | 2014-07-23 | 合肥京东方光电科技有限公司 | 一种相位差板的制作方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114153076A (zh) * | 2021-12-02 | 2022-03-08 | 宁波维真显示科技股份有限公司 | 3d偏振膜的制备装置及方法 |
CN114153076B (zh) * | 2021-12-02 | 2023-11-21 | 宁波维真显示科技股份有限公司 | 3d偏振膜的制备装置及方法 |
Also Published As
Publication number | Publication date |
---|---|
US20160246067A1 (en) | 2016-08-25 |
CN103941322A (zh) | 2014-07-23 |
CN103941322B (zh) | 2017-01-18 |
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