WO2015010426A1 - Procédé d'alignement pour écran d'affichage - Google Patents

Procédé d'alignement pour écran d'affichage Download PDF

Info

Publication number
WO2015010426A1
WO2015010426A1 PCT/CN2013/089602 CN2013089602W WO2015010426A1 WO 2015010426 A1 WO2015010426 A1 WO 2015010426A1 CN 2013089602 W CN2013089602 W CN 2013089602W WO 2015010426 A1 WO2015010426 A1 WO 2015010426A1
Authority
WO
WIPO (PCT)
Prior art keywords
substrate
sealant
ultraviolet light
liquid crystal
display panel
Prior art date
Application number
PCT/CN2013/089602
Other languages
English (en)
Chinese (zh)
Inventor
肖昂
宋省勋
Original Assignee
北京京东方光电科技有限公司
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 北京京东方光电科技有限公司 filed Critical 北京京东方光电科技有限公司
Publication of WO2015010426A1 publication Critical patent/WO2015010426A1/fr

Links

Classifications

    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • 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
    • G02F1/1341—Filling or closing of cells
    • G02F1/13415—Drop filling process

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a method for a display panel. Background technique
  • TFT-LCD Thin Film Transistor-Liquid Crystal Display
  • an ODF (one drop filling) process is generally employed.
  • the process of the ODF is carried out by: coating a sealant on a color film substrate and dropping a liquid crystal on the array substrate, and then performing a pairing on the color filter substrate and the array substrate in the box device, and then sequentially The curing of the sealant is completed under ultraviolet light and heating.
  • ultraviolet light is usually irradiated from the side of the array substrate, and an ultraviolet light source is required.
  • An ultraviolet light baffle is disposed between the array substrate to prevent the liquid crystal in the cell from being exposed to ultraviolet light.
  • Embodiments of the present invention provide a method of aligning a display panel, which can solve the problem that the opaque metal wire and the metal block in the prior art cause a low reaction rate of the sealant during ultraviolet curing.
  • an embodiment of the present invention provides a method for the display of a display panel, where the display panel includes a first substrate and a second substrate, including:
  • the first substrate and the second substrate are paired, and the first substrate is coated with a sealant and the second substrate is provided with a liquid crystal. Side opposite.
  • the frame sealant is an ultraviolet curing type frame sealant.
  • the material of the sealant is an acrylate compound.
  • the step of pre-curing the sealant comprises:
  • the sealant is pre-cured by ultraviolet light.
  • the intensity of the ultraviolet light is in the range of 3,000 to 100 mJ/cm 2 .
  • the intensity of the ultraviolet light 5000 mJ / cm 2.
  • the wavelength of the ultraviolet light used to pre-cure the sealant is in the range of 320 nm to 380 nm.
  • the wavelength of the ultraviolet light used to pre-cure the sealant is in the range of 330 nm to 340 nm.
  • the method of pairing boxes further includes:
  • the first substrate and the second substrate after the pair of boxes are heat treated.
  • the heat treatment is carried out at a temperature ranging from 100 ° C to 140 ° C. Further, the heat treatment is carried out at a temperature of about 120 °C. The duration of the heat treatment is about 1 hour.
  • the method for the display panel of the display panel of the present invention includes applying a sealant in a peripheral region of the first substrate, forming a liquid crystal on the second substrate, and pre-curing the sealant at the beginning of the sealant.
  • the first substrate and the second substrate are paired, and the side on which the first substrate is coated with the sealant is corresponding to the side on which the second substrate is provided with the liquid crystal. Since the pre-curing treatment of the sealant is before the first substrate and the second substrate are paired, on the one hand, the method solves the problem that the opaque metal wire and the metal block in the prior art cause the sealant to cure in the ultraviolet curing state.
  • the lower problem does not require the use of an ultraviolet light baffle between the UV source and the array substrate to block the liquid crystal, which simplifies the process steps.
  • FIG. 1 is a schematic flow chart of a method for setting a display panel according to the present invention
  • FIG. 2 is a schematic view of a process flow of a method for aligning a display panel provided by the present invention
  • FIG. 3 is a viscous time of the sealant E-200 provided by the present invention in an ultraviolet curing process. Degree curve. detailed description
  • the embodiment of the invention provides a method for the display of the display panel.
  • the display panel includes a first substrate and a second substrate, and includes:
  • the first substrate and the second substrate are paired, and the side of the first substrate coated with the sealant and the second substrate are provided with liquid crystal. One side is opposite.
  • FIG. 1 is a diagram showing a method for aligning a display panel according to an embodiment of the present invention. The method includes the following steps: Step S101: Prepare a first substrate and a second substrate.
  • the first substrate and the second substrate may have a size of 10 inches or more. This is because, even if the display panel is more than 10 inches, the liquid crystal can be exposed to the surrounding sealant after a long time of diffusion. The liquid crystal and the uncured sealant have a short contact time and are less polluted; The display panel below 10 inches, the liquid crystal diffuses quickly to contact the surrounding sealant, and the liquid crystal and the uncured sealant have a long contact time, and the contamination may be heavier.
  • Step S102 applying a sealant to the peripheral region of the first substrate.
  • a sealant is applied to the peripheral region of the first substrate, and the peripheral region referred to herein corresponds to the non-display region of the display panel.
  • Coating as used herein refers to adhering the sealant to the substrate in any manner.
  • the frame sealant may be an ultraviolet curing type frame sealant.
  • the material of the sealant may be an acrylate compound.
  • coating the sealant on the first substrate is a common solution. It is also possible to apply a sealant to the second substrate.
  • the embodiments of the present invention are not limited. But The liquid crystal and the sealant cannot be placed on the same substrate.
  • Step S103 Pre-curing the sealant.
  • pre-curing treatment is performed using ultraviolet light.
  • the pre-curing treatment refers to activation of the sealant by ultraviolet light.
  • the sealant is in an un-cured state in a fluid state or a gel state, and has adhesiveness.
  • FIG. 3 after the photoresist is applied, the photoresist is in a fluid state or a gel state, and at this time, the reaction rate is low, the photoresist is pre-cured, and the photoresist is irradiated with ultraviolet light.
  • the reaction rate of the photoresist is gradually increased, but the photoresist is still in a fluid state or a gel state and has adhesiveness for a period of time from the start of the irradiation.
  • the reaction rate of the photoresist is greatly improved. At this point, the photoresist begins to harden, quickly enters a solid state, and loses adhesion.
  • the intensity of the ultraviolet light pre-cured to the photoresist may be in the range of 3,000 to 100 mJ/cm 2 .
  • the intensity of the ultraviolet light may be 5000 mJ/cm 2 .
  • the ultraviolet light pre-cured to the photoresist may have a wavelength in the range of 320 nm to 380 nm. Further, the wavelength of the ultraviolet light is in the range of 330 nm to 340 nm, and the ultraviolet light of the band has a better curing effect on the sealant.
  • Step S104 providing liquid crystal on the second substrate.
  • liquid crystal is provided on the second substrate by dripping.
  • step S104 may be performed simultaneously with step S102 and step S103 to ensure that the subsequent first substrate can be paired with the second substrate provided with the liquid crystal before the sealant begins to harden.
  • Step S105 before the frame sealant begins to harden, the first substrate and the second substrate are paired, and the first substrate is coated with the sealant and the second substrate is provided with liquid crystal. One side is opposite. as shown in picture 2.
  • the liquid sealant begins to harden after being pre-cured by UV light for a period of time, as shown in Figure 3 at the point of time at which hardening begins.
  • the above-mentioned before the frame sealant begins to harden it means after the pre-curing of the sealant with ultraviolet light, before the time of starting hardening shown in Fig. 3. Therefore, the above step S105 needs to be performed before the frame sealant undergoes a hardening reaction.
  • the sealant will start to harden rapidly 5-7 minutes after UV irradiation, so it is necessary to put the two substrates into the box within 5 minutes after receiving the UV light.
  • the above method for boxing further includes: Step S106, performing heat treatment on the first substrate and the second substrate after the pair of boxes.
  • the purpose of heating in step S106 is to cure the epoxy component in the sealant to cure the sealant.
  • the substrate is heated for 40 minutes or longer, and for example, the heating time is 1 hour; the heating temperature ranges from 100 ° C to 140 ° C, and for example, the heating temperature is 120 ° C. This allows the frame sealant to fully cure.
  • the material Prepare four 0.7mm thick, 25cm*25cm glass substrates, set the frame sealant area (the width of the sealant area is about 100um) at 5cm from the edge of the glass substrate of the two glass substrates.
  • the chrome-black matrix (Cr-BM) has a width of 100 ⁇ m and the interval between adjacent Cr-BMs is 50 ⁇ m.
  • the surface treatment is used to simulate the opaque metal lines on the surface of the real array substrate. Or a metal block.
  • the sealant used is the E-200 supplied by Sekisui.
  • the flow of the method for the display panel of the display panel of the embodiment of the present invention is: injecting 0.2 mL of liquid crystal at a center position of a glass substrate provided with Cr-BM, and in a glass not provided with Cr-BM. Applying a frame-size adhesive E-200 having a width of 1 mm to the edge of the glass substrate 5 cm from the edge of the glass substrate; after completion, the glass substrate coated with the sealant is subjected to ultraviolet pre-curing treatment, since there is no liquid crystal, so in the process No ultraviolet light baffle is required, and the ultraviolet light irradiation intensity is 5000mJ/cm2; as shown in Fig.
  • the ⁇ -200 starts to harden after being pre-cured by ultraviolet light for 5-7 minutes, so it is required to be coated on a glass substrate coated with a sealant.
  • the two glass substrates were subjected to the pre-cure treatment for 5 minutes, and the glass substrate coated with the sealant was controlled to be aligned with another glass substrate with liquid crystals after being pre-cured for 3 minutes.
  • the liquid crystal dropping process is completed and the time for starting the cassette is not more than 30 minutes, if it exceeds 30 minutes, the liquid crystal will spread to the edge of the display panel, and it will be in contact with the incompletely cured frame sealant for a long time.
  • assembling process may continue to 2min 3min, to ensure the completion of the cartridge after complete curing sealant; After the substrate after the cartridge is heated, the heating temperature was 120 ° C, the heating time was 1 hour. In this way, the reaction rate of the sealant in the display panel formed by the box is improved, the contamination of the liquid crystal by the sealant is reduced, and no additional ultraviolet light baffle is used, which saves cost.
  • the method for the display panel of the display panel of the present invention has the following advantages: 1. No need to use the ultraviolet light baffle for blocking the liquid crystal, which saves cost; 2. It is not necessary to keep the array substrate close to the ultraviolet light source. On one side, the process is finished; 3, the problem that the opaque metal wire and the metal block in the prior art cause the frame cap glue to have a low reaction rate when performing ultraviolet curing is solved. In addition, you can By controlling the ultraviolet light irradiation time and the time of the box, the curing of the sealant is completed before the liquid crystal does not diffuse to the edge of the substrate and is in contact with the sealant, thereby reducing the contamination of the liquid crystal by the sealant.
  • the method for the display panel of the display panel of the present invention includes forming a sealant in a peripheral region of the first substrate, forming a liquid crystal on the second substrate, pre-curing the sealant, and hardening the sealant at the sealant.
  • the first substrate and the second substrate are frontally paired, wherein a side of the first substrate on which the sealant is formed corresponds to a side on which the second substrate is formed with liquid crystal. Since the pre-curing treatment of the sealant is disposed before the first substrate and the second substrate, on the one hand, the technical solution solves the problem that the opaque metal wire and the metal block in the prior art cause the sealant to be cured by ultraviolet light. When the reaction rate is low, on the other hand, it is not necessary to use an ultraviolet light baffle between the ultraviolet light source and the array substrate to block the liquid crystal, the reaction rate of the sealant is improved, and the process step is completed.
  • the embodiment of the present invention further provides a display panel, which is a display panel made by the method of the above-mentioned display panel.
  • the method of the display panel is the same as that of the above embodiment, and details are not described herein again. .
  • the embodiment of the invention further provides a display device having the display panel of any of the features described in the above embodiments.
  • the display device may be a liquid crystal display device comprising a color film substrate and an array substrate disposed in parallel, and a liquid crystal filled between the color film substrate and the array substrate.
  • the liquid crystal display device provided by the embodiment of the present invention may be a product or a component having a display function, such as a liquid crystal display, a liquid crystal television, a digital photo frame, a mobile phone, a tablet computer, etc., which is not limited by the present invention.

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Liquid Crystal (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)

Abstract

La présente invention concerne un procédé d'alignement pour écran d'affichage. L'écran d'affichage contient des premier et second substrats. Le procédé comprend les étapes consistant à : recouvrir d'un matériau d'étanchéité une région périphérique du premier substrat ; disposer des cristaux liquides sur le second substrat ; prédurcir le matériau d'étanchéité ; et, avant que le matériau d'étanchéité ne durcisse, aligner les premier et second substrats. Le côté du premier substrat recouvert par le matériau d'étanchéité est fabriqué de manière à correspondre au côté du second substrat sur lequel sont disposés les cristaux liquides. La présente invention concerne en outre un écran à cristaux liquides formé en utilisant le procédé d'alignement et un dispositif d'affichage contenant l'écran à cristaux liquides.
PCT/CN2013/089602 2013-07-22 2013-12-16 Procédé d'alignement pour écran d'affichage WO2015010426A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2013103083196A CN103412443A (zh) 2013-07-22 2013-07-22 显示面板的对盒方法
CN201310308319.6 2013-07-22

Publications (1)

Publication Number Publication Date
WO2015010426A1 true WO2015010426A1 (fr) 2015-01-29

Family

ID=49605470

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/089602 WO2015010426A1 (fr) 2013-07-22 2013-12-16 Procédé d'alignement pour écran d'affichage

Country Status (2)

Country Link
CN (1) CN103412443A (fr)
WO (1) WO2015010426A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103412443A (zh) * 2013-07-22 2013-11-27 北京京东方光电科技有限公司 显示面板的对盒方法
JP2019522239A (ja) * 2016-07-08 2019-08-08 ヘンケル・アクチェンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト・アウフ・アクチェンＨｅｎｋｅｌ ＡＧ ＆ Ｃｏ． ＫＧａＡ 液晶表示装置の製造方法およびそれに使用される硬化性樹脂組成物
CN106773364B (zh) * 2017-03-30 2018-07-10 深圳市华星光电技术有限公司 显示屏边框的封胶方法
US10108051B1 (en) 2017-03-30 2018-10-23 Shenzhen China Star Optoelectronics Technology Co., Ltd. Method for sealing peripheral frame of display
CN107024805A (zh) * 2017-06-08 2017-08-08 京东方科技集团股份有限公司 一种显示面板的对盒方法及显示面板
CN109375430A (zh) * 2018-12-18 2019-02-22 深圳市华星光电半导体显示技术有限公司 一种柔性液晶显示面板及其制作方法
CN112269280B (zh) * 2020-10-30 2023-04-14 合肥鑫晟光电科技有限公司 液晶面板的制造方法、液晶面板及显示装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2965645B2 (ja) * 1990-08-29 1999-10-18 富士通株式会社 液晶パネルの製造方法
JP2008233140A (ja) * 2007-03-16 2008-10-02 Epson Imaging Devices Corp 電気光学装置の製造方法および電気光学装置
CN101295109A (zh) * 2007-04-26 2008-10-29 株式会社半导体能源研究所 液晶显示装置、以及该液晶显示装置的制造方法
CN102650773A (zh) * 2012-03-31 2012-08-29 京东方科技集团股份有限公司 显示装置的对盒方法以及显示装置
CN103412443A (zh) * 2013-07-22 2013-11-27 北京京东方光电科技有限公司 显示面板的对盒方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009168973A (ja) * 2008-01-15 2009-07-30 Epson Imaging Devices Corp 液晶表示パネルの製造方法
CN101955630B (zh) * 2009-07-15 2013-05-08 三键有限公司 延迟固化性树脂组合物

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2965645B2 (ja) * 1990-08-29 1999-10-18 富士通株式会社 液晶パネルの製造方法
JP2008233140A (ja) * 2007-03-16 2008-10-02 Epson Imaging Devices Corp 電気光学装置の製造方法および電気光学装置
CN101295109A (zh) * 2007-04-26 2008-10-29 株式会社半导体能源研究所 液晶显示装置、以及该液晶显示装置的制造方法
CN102650773A (zh) * 2012-03-31 2012-08-29 京东方科技集团股份有限公司 显示装置的对盒方法以及显示装置
CN103412443A (zh) * 2013-07-22 2013-11-27 北京京东方光电科技有限公司 显示面板的对盒方法

Also Published As

Publication number Publication date
CN103412443A (zh) 2013-11-27

Similar Documents

Publication Publication Date Title
WO2015010426A1 (fr) Procédé d'alignement pour écran d'affichage
JP3358606B2 (ja) 液晶表示パネルの製造方法
WO2016033841A1 (fr) Structure de panneau d'affichage à cristaux liquides et son procédé de fabrication
US20160033799A1 (en) Coating method and apparatus of sealant, and display device
KR20030072826A (ko) 액정표시소자의 제조방법
KR20070071493A (ko) 액정표시소자 및 그 제조방법
WO2013007065A1 (fr) Procédé et dispositif de fabrication pour panneau d'affichage à cristaux liquides
WO2020062435A1 (fr) Panneau d'affichage à cristaux liquides et son procédé de fabrication
JP2001356312A (ja) 液晶表示素子の製造方法及びその製造方法に用いる紫外線照射装置
JP2008203475A (ja) 液晶光学素子とその製造方法
WO2020237993A1 (fr) Écran d'affichage et son procédé de fabrication
JP2004069925A5 (fr)
JP2010224094A (ja) 電気光学装置の製造方法
US20100195035A1 (en) Liquid crystal panel, liquid crystal display device, television receiver and manufacturing method of liquid crystal panel
KR20030079429A (ko) 액정표시소자 및 그 제조방법
CN110850644B (zh) 液晶显示面板及其制造方法
US8873003B2 (en) Liquid crystal display device and manufacture method thereof
KR101777134B1 (ko) 액정 표시 패널의 제조방법
JP2002365652A (ja) 液晶パネルの製造方法及び装置
JPH04107523A (ja) 液晶パネルの製造方法
KR101382866B1 (ko) 액정표시장치의 제조방법
KR20090049869A (ko) 액정표시장치의 제조 방법
KR20080076042A (ko) 액정 표시 장치의 제조 방법
JP5297097B2 (ja) 表示パネル用対向基板、表示装置及び表示装置の製造方法
JPH04107530A (ja) 液晶パネルの製造方法

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: 13889904

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13889904

Country of ref document: EP

Kind code of ref document: A1