WO2023092770A1 - Polariseur de surface et lunettes de soleil intelligentes à cristaux liquides - Google Patents

Polariseur de surface et lunettes de soleil intelligentes à cristaux liquides Download PDF

Info

Publication number
WO2023092770A1
WO2023092770A1 PCT/CN2021/139630 CN2021139630W WO2023092770A1 WO 2023092770 A1 WO2023092770 A1 WO 2023092770A1 CN 2021139630 W CN2021139630 W CN 2021139630W WO 2023092770 A1 WO2023092770 A1 WO 2023092770A1
Authority
WO
WIPO (PCT)
Prior art keywords
polarized light
polarizer
liquid crystal
super
sunglasses
Prior art date
Application number
PCT/CN2021/139630
Other languages
English (en)
Chinese (zh)
Inventor
杨晓东
吴仕坤
Original Assignee
江门亿都半导体有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 江门亿都半导体有限公司 filed Critical 江门亿都半导体有限公司
Publication of WO2023092770A1 publication Critical patent/WO2023092770A1/fr

Links

Images

Classifications

    • 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
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/12—Polarisers
    • 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
    • G02F1/29—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 position or the direction of light beams, i.e. deflection
    • G02F1/33—Acousto-optical deflection devices
    • G02F1/335—Acousto-optical deflection devices having an optical waveguide structure

Definitions

  • the utility model relates to the technical field of sunglasses, in particular to a face polarizer and intelligent LCD sunglasses.
  • this kind of sunglasses uses liquid crystal LCD technology to achieve the function of rapid color change, and can automatically switch between the dark state and the bright state according to the intensity of the ambient light, and because of the use of The polarizer of this material with a 1/4 wave plate can make the smart LCD sunglasses watch the display at any angle without the problem of not being able to see the displayed content.
  • the purpose of the utility model is to provide a face polarizer and intelligent LCD sunglasses, aiming at solving the problem in the prior art that the LCD sunglasses cannot feel the appearance transition between the bright state and the dark state of the lens when looking in the mirror.
  • the technical scheme of the present invention has:
  • the utility model proposes a surface polarizer, which is applied to sunglasses, comprising: a super-complex deflection polyester film, which is used to convert incident light into elliptically polarized light; the super-complex deflection polyester film has a front surface and a reverse surface; A protective film, which is connected to the front side of the super birefringent polyester film; a linearly polarized light conversion layer, which is connected to the reverse side of the super birefringent polyester film, for converting elliptically polarized light into linearly polarized light; type film, which is connected with the linearly polarized light conversion layer.
  • the utility model adds a super-complex deflection polyester film before the linear polarized light is converted into a layer, and utilizes the two-way conversion of the super-complex deflection polyester film, so that the elliptically polarized light reflected by the mirror can pass through the super complex After deflecting the polyester film, the elliptically polarized light is still incident into the linearly polarized light conversion layer, so that the user can feel the bright state and dark state of the lens when wearing smart LCD sunglasses equipped with the polarizer and looking in the mirror. Appearance transformation to improve user experience.
  • the linearly polarized light conversion layer includes: a PVA film; a front protective film, which is arranged between the PVA film and the super birefringent polyester film; a rear protective film, which is connected to the The release film is connected by an adhesive.
  • the utility model also proposes a kind of intelligent LCD sun glasses, comprising a liquid crystal lens and a picture frame; A bottom polarizer is provided on the reverse side of the lens, and the second absorption axis of the bottom polarizer is perpendicular to the first absorption axis of the surface polarizer.
  • the liquid crystal lens further includes a surface substrate glass, a bottom substrate glass, and a liquid crystal cell, and the liquid crystal cell is arranged between the surface substrate glass and the bottom substrate glass; the surface polarizer It is connected with the front surface of the surface substrate glass by an adhesive.
  • the picture frame is provided with a photosensitive module, which is used to output voltage signals of different sizes according to the light intensity; the picture frame is also provided with a control module, which is electrically connected with the photosensitive module, It is used to generate an adjustment signal according to the voltage signal; the control module is also electrically connected to the liquid crystal cell, and is used to adjust its light transmittance according to the received adjustment signal.
  • Figure 1 is a schematic diagram of smart LCD sunglasses
  • FIG. 2 is a schematic diagram of a liquid crystal lens
  • Fig. 3 is the schematic diagram of planar polarizer
  • Fig. 4 is the schematic diagram that the ellipse reflected light of mirror is injected into super-complex polyester film
  • Figure 5 is a schematic diagram of the incident light passing through the liquid crystal lens to the mirror
  • Fig. 6 is a schematic diagram of the elliptical reflected light of the mirror entering the 1/4 wave plate in the prior art.
  • 10 plane polarizer
  • 110 protective film
  • 120 super birefringent polyester film
  • 130 linear polarization conversion layer
  • 131 front protective film
  • 132 PVA film
  • 133 rear protective film
  • 140 release film
  • 20-surface substrate glass 30-liquid crystal cell
  • 40-bottom substrate glass 50-bottom polarizer
  • 60-photosensitive module 60-mirror, 91-1/4 wave plate.
  • plural means two or more.
  • “And/or” describes the association relationship of associated objects, indicating that there may be three types of relationships, for example, A and/or B may indicate: A exists alone, A and B exist simultaneously, and B exists independently.
  • the character “/” generally indicates that the contextual objects are an "or” relationship.
  • smart LCD sunglasses equipped with a 1/4 wave plate use the optical rotation of the 1/4 wave plate 91 to convert the linearly polarized light of the display screen into elliptically polarized light , so that when viewing the display at any angle, there will be no inability to see the displayed content.
  • the 1/4 wave plate 91 only has one-way conversion, that is, no matter whether the smart LCD sunglasses are in the bright state or in the dark state, when wearing such glasses and looking in the mirror, no matter the smart The glasses are in the dark state and the bright state, and they all appear black in the mirror, so that the user cannot see the appearance of the LCD sunglasses in the bright state when looking in the mirror, which affects the user experience.
  • the utility model proposes a surface polarizer 10, which is applied to sunglasses, so that the elliptically polarized light reflected by the mirror can still enter the linearly polarized light in the form of elliptically polarized light after passing through the super birefringent polyester film 120.
  • the smart LCD sunglasses equipped with the polarizer 10 can feel the appearance conversion between the bright state and the dark state of the lens when looking in the mirror.
  • the surface polarizer 10 includes: a super-birefringent polyester film 120 for converting incident light into elliptically polarized light; the super-birefringent polyester film 120 has a front surface and the reverse side; protective film 110, which is connected to the front side of the super birefringent polyester film 120; linearly polarized light conversion layer 130, which is connected to the reverse side of the super birefringent polyester film 120, for elliptically polarized light converted into linearly polarized light; the release film 140 is connected with the linearly polarized light converting layer 130 .
  • the utility model adds a super-complex refraction polyester film 120 (that is, SRF film) before the linear polarized light is converted into a layer, and utilizes the two-way conversion of the super-complex refraction polyester film 120 to make the ellipse reflected by the mirror Polarized light can enter the linearly polarized light conversion layer 130 in the form of elliptically polarized light after passing through the super-birefringent polyester film 120, so that when the user wears smart LCD sunglasses equipped with the polarizer 10 and looks in the mirror, he can Feel the appearance transition between the bright state and dark state of the lens, and clearly see the appearance of the LCD sunglasses when you are wearing the bright state, which improves the user experience.
  • a super-complex refraction polyester film 120 that is, SRF film
  • the working principle of the present utility model is that, as shown in Figure 4, the elliptically polarized light reflected by the mirror is still incident in the linearly polarized light conversion layer in the form of elliptically polarized light after passing through the super-complex refraction polyester film, and is converted into linearly polarized light. Instead of the elliptically polarized light reflected by the mirror in the prior art, it disappears after passing through the 1/4 wave plate.
  • the linearly polarized light conversion layer 130 includes: a PVA film 132; a front protective film 131 disposed between the PVA film 132 and the super birefringent polyester film 120; a rear protective film 133, which is connected with the release film 140 through an adhesive.
  • the utility model prevents the PVA film 132 from occurring by compounding a front protective film 131 and a rear protective film 133 with high light transmittance, good water resistance and certain mechanical strength on both sides of the PVA film 132. Moisture absorption and deterioration.
  • the front protective film and the rear protective film are made of TAC triacetyl cellulose.
  • the PVA film is made of polyvinyl alcohol.
  • the utility model also proposes a kind of intelligent LCD sun glasses, comprising a liquid crystal lens, a picture frame and the above-mentioned surface polarizer 10, the surface polarizer 10 is arranged on the front side of the liquid crystal lens, and the reverse side of the liquid crystal lens is provided with a bottom
  • the polarizer 50 , the second absorption axis of the bottom polarizer 50 is set at a certain angle (0°-90°) relative to the first absorption axis of the surface polarizer 10 .
  • the first absorption axis is arranged parallel to the horizontal central axis of the liquid crystal cell 30 .
  • the second absorption axis passing through the bottom polarizer 50 is set at an angle (0°-90°) relative to the first absorption axis of the surface polarizer 10, In order to allow the light emitted by the liquid crystal cell 30 to enter human eyes.
  • the liquid crystal lens further includes a surface substrate glass 20 , a bottom substrate glass 40 and a liquid crystal cell 30 , and the liquid crystal cell 30 is arranged between the surface substrate glass 20 and the bottom substrate glass 40 ;
  • the surface polarizer 10 is connected to the front surface of the surface substrate glass 20 through an adhesive.
  • the surface polarizer 10 is bonded to the front of the surface substrate glass 20 by using the adhesive of the surface polarizer 10 to realize the assembly of the surface polarizer 10 on the liquid crystal lens.
  • the picture frame is provided with a photosensitive module 60, which is used to output voltage signals of different magnitudes according to the light intensity; the picture frame is also provided with a control module, which is electrically connected with the photosensitive module 60 , used to generate an adjustment signal according to the voltage signal; the control module is also electrically connected to the liquid crystal cell 30, and used to adjust its light transmittance according to the received adjustment signal.
  • the adjustment signal is a low-frequency AC voltage signal
  • the smart LCD sunglasses output voltage signals of different sizes through the photosensitive module 60 according to the light intensity
  • the control module generates low-frequency AC voltages of different voltage sizes according to the voltage of the voltage signal signal
  • the liquid crystal lens changes its light transmittance according to the voltage of the low-frequency AC voltage signal, so as to realize the gradual change of the light transmittance of the sunglasses, so that the user can better watch the content on the display.
  • the present invention does not limit the collection and processing methods of the voltage signal and the adjustment signal, and other known processing methods in the art may also be used.
  • the utility model is not limited to the above-mentioned embodiment, if the various modifications or deformations of the utility model do not depart from the spirit and scope of the utility model, if these changes and deformations belong to the claims of the utility model and within the equivalent technical scope, Then the utility model is also intended to include these modifications and variations.

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • Nonlinear Science (AREA)
  • Liquid Crystal (AREA)
  • Polarising Elements (AREA)

Abstract

L'invention concerne un polariseur de surface (10) et des lunettes de soleil intelligentes à cristaux liquides. Le polariseur de surface (10) comprend : un film de super-retard (120), qui est utilisé pour convertir une lumière incidente en une lumière polarisée de manière elliptique, le film de super-retard (120) ayant une surface avant et une surface arrière ; un film protecteur (110), qui est relié à la surface avant du film de super-retard (120) ; une couche de conversion de lumière à polarisation linéaire (130), qui est reliée à la surface arrière du film de super-retard (120) et est utilisée pour convertir la lumière polarisée de manière elliptique en une lumière polarisée linéairement ; et un film de libération (140) connecté à la couche de conversion de lumière à polarisation linéaire (130). Le film de super-retard (120) est en outre disposé devant la couche de conversion de lumière à polarisation linéaire (130), et au moyen de la propriété de conversion bidirectionnelle du film de super-retard (120), la lumière polarisée de manière elliptique réfléchie par un miroir peut entrer dans la couche de conversion de lumière à polarisation linéaire (130) toujours sous la forme d'une lumière polarisée de manière elliptique après avoir traversé le film de super-retard (120), de sorte que lorsqu'un utilisateur porte des lunettes de soleil intelligentes équipées du polariseur de surface (10) et regarde dans le miroir, l'utilisateur peut ressentir une transition d'aspect entre un état lumineux et un état sombre des lentilles, ce qui permet d'améliorer l'expérience de l'utilisateur.
PCT/CN2021/139630 2021-11-25 2021-12-20 Polariseur de surface et lunettes de soleil intelligentes à cristaux liquides WO2023092770A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202122939951.3 2021-11-25
CN202122939951.3U CN216956554U (zh) 2021-11-25 2021-11-25 一种面偏光片及智能lcd太阳眼镜

Publications (1)

Publication Number Publication Date
WO2023092770A1 true WO2023092770A1 (fr) 2023-06-01

Family

ID=82307411

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/139630 WO2023092770A1 (fr) 2021-11-25 2021-12-20 Polariseur de surface et lunettes de soleil intelligentes à cristaux liquides

Country Status (2)

Country Link
CN (1) CN216956554U (fr)
WO (1) WO2023092770A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009092913A (ja) * 2007-10-09 2009-04-30 Toppan Printing Co Ltd 光学薄膜積層体
CN207318889U (zh) * 2017-11-13 2018-05-04 信利半导体有限公司 一种显示设备
CN207318890U (zh) * 2017-11-13 2018-05-04 信利半导体有限公司 一种液晶显示装置
CN209248199U (zh) * 2019-01-24 2019-08-13 信利光电股份有限公司 一种具有太阳眼镜功能的柔性触控液晶显示装置
CN210626808U (zh) * 2019-09-25 2020-05-26 江门亿都半导体有限公司 一种太阳眼镜
CN216210293U (zh) * 2021-11-10 2022-04-05 佛山纬达光电材料股份有限公司 一种太阳眼镜用偏光片结构及偏光太阳眼镜

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009092913A (ja) * 2007-10-09 2009-04-30 Toppan Printing Co Ltd 光学薄膜積層体
CN207318889U (zh) * 2017-11-13 2018-05-04 信利半导体有限公司 一种显示设备
CN207318890U (zh) * 2017-11-13 2018-05-04 信利半导体有限公司 一种液晶显示装置
CN209248199U (zh) * 2019-01-24 2019-08-13 信利光电股份有限公司 一种具有太阳眼镜功能的柔性触控液晶显示装置
CN210626808U (zh) * 2019-09-25 2020-05-26 江门亿都半导体有限公司 一种太阳眼镜
CN216210293U (zh) * 2021-11-10 2022-04-05 佛山纬达光电材料股份有限公司 一种太阳眼镜用偏光片结构及偏光太阳眼镜

Also Published As

Publication number Publication date
CN216956554U (zh) 2022-07-12

Similar Documents

Publication Publication Date Title
US11966056B2 (en) Augmented reality device and optical system thereof
KR102564295B1 (ko) 증강 현실 장치 및 이를 위한 광학 시스템 및 반반사기
JP6687805B2 (ja) ヘッドマウントディスプレイ用光学システム
JP3411953B2 (ja) 光学装置および該光学装置を用いた頭部搭載型ディスプレイ
WO2014059756A1 (fr) Dispositif d'affichage à cristaux liquides, lunettes spéciales et système d'affichage
TW201502661A (zh) 液晶顯示裝置
CN111399224A (zh) 显示光学系统及头戴显示设备
CN110646942A (zh) 一种超薄光学放大模组及其应用
CN102096203B (zh) 一种使立体偏光眼镜可自由角度观影的方法及偏光片
JP4961594B2 (ja) オフサルミックレンズ及び光学結像器インサートを備えたオフサルミックディスプレイ
CN117215072B (zh) 光学系统及成像设备
WO2018221598A1 (fr) Dispositif de commande de lumière dans l'infrarouge et dans le visible
WO2023092770A1 (fr) Polariseur de surface et lunettes de soleil intelligentes à cristaux liquides
CN109270694A (zh) 一种可实现ar或vr或mr的智能眼镜
CN115657305A (zh) Ar显示装置和穿戴式ar设备
CN209028324U (zh) 一种可实现ar或vr或mr的智能眼镜
CN210626808U (zh) 一种太阳眼镜
CN216434589U (zh) 一种显示面板和电子设备
CN216210293U (zh) 一种太阳眼镜用偏光片结构及偏光太阳眼镜
CN111158150A (zh) 镜片组件及头戴显示设备
CN216248599U (zh) 增强现实显示系统及ar眼镜
JP2002006400A (ja) 透過型スクリーン
US20180284430A1 (en) Head-up display system of all time
CN207882623U (zh) 一种增大可视角度偏光片的显示模组
WO2011111267A1 (fr) Lunettes à obturateur actif, lunettes passives, et système de reconnaissance vidéo tridimensionnel

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21965490

Country of ref document: EP

Kind code of ref document: A1