WO2019090926A1 - 显示模组、显示模组的涂胶方法及显示装置 - Google Patents

显示模组、显示模组的涂胶方法及显示装置 Download PDF

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Publication number
WO2019090926A1
WO2019090926A1 PCT/CN2017/118033 CN2017118033W WO2019090926A1 WO 2019090926 A1 WO2019090926 A1 WO 2019090926A1 CN 2017118033 W CN2017118033 W CN 2017118033W WO 2019090926 A1 WO2019090926 A1 WO 2019090926A1
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curved portion
transparent adhesive
display module
display screen
flexible display
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PCT/CN2017/118033
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English (en)
French (fr)
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胡妞
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武汉华星光电半导体显示技术有限公司
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Priority to US15/744,500 priority Critical patent/US20190144714A1/en
Publication of WO2019090926A1 publication Critical patent/WO2019090926A1/zh

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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED

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  • the invention relates to a display module, a glue applying method of a display module and a display device.
  • the present invention provides a display device, a display module, and a coating method for a display module, which are intended to solve the above technical problems.
  • the invention provides a method for coating a display module.
  • the display module comprises a flexible display screen and a cover portion disposed on the flexible display screen.
  • the glue coating method comprises the following steps:
  • the transparent glue inside the non-curved portion is cured.
  • the gluing method further comprises the step of removing the material that blocks the curing on the curved portion after curing the transparent glue inside the non-curved portion.
  • the barrier curing material is a material that blocks ultraviolet rays.
  • the step of curing the transparent glue inside the non-bending portion is specifically: curing the transparent glue inside the non-bending portion by ultraviolet curing.
  • the radius of the curved portion in the bent state is R
  • the length of the curved portion is ⁇ R
  • the length of the non-curved portion is between ⁇ R+5 and ⁇ R+10.
  • the material of the transparent glue is a combination of one or more of acrylic, silicon, polyurethane and rubber.
  • the present invention also provides a display module, the display module comprising a flexible display screen, a cover portion disposed on the flexible display screen, and a transparent adhesive disposed between the flexible display screen and the cover portion, the flexible display screen and The cover portion includes a curved portion and a non-curved portion, the transparent adhesive between the curved portions is uncured, and the transparent adhesive between the non-curved portions is cured.
  • the radius of the curved portion is R
  • the length of the curved portion is ⁇ R
  • the length of the non-curved portion is between ⁇ R+5 and ⁇ R+10.
  • the invention also provides a display device comprising the above display module.
  • the display device, the display module and the glue applying method thereof according to the invention provide a transparent adhesive by curing the transparent adhesive of the non-bending portion, improving the adhesion of the transparent adhesive, and non-curing the transparent adhesive of the curved portion. Adhesion.
  • FIG. 1 is a block diagram of a display device in an embodiment of the present invention.
  • FIG. 2 is a schematic view of a display module after being bent in an embodiment of the present invention.
  • FIG 3 is a schematic view of a display module including a bent portion and a non-bent portion according to an embodiment of the present invention.
  • FIG. 4 is a flow chart of a method for coating a display module of the present invention.
  • the display device 1 may be a liquid crystal display, a liquid crystal television, a mobile phone, a tablet computer or the like.
  • the display device 1 includes a display module 100.
  • the display module 100 includes a flexible display screen 103, a cover portion 101 disposed on the flexible display screen 103, and a transparent adhesive 102 disposed between the flexible display screen and the cover portion.
  • the flexible display screen is a display screen made of an organic light emitting diode.
  • the flexible display screen may also be a liquid crystal display or the like.
  • the flexible display screen 103 and the cover portion 101 include a curved portion 104 and a non-curved portion 105.
  • the curved portion is defined as a bendable portion
  • the radius of the curved portion 104 in the bent state is R
  • the length of the curved portion is ⁇ R
  • the length of the non-curved portion 105 is ⁇ R+5 to ⁇ R Between +10.
  • the transparent adhesive between the curved portions 104 is uncured, so that the transparent portion 102 can have better fluidity when the display module 100 is bent along the curved portion 104, and the transparent adhesive 102 between the non-curved portions 105.
  • the display module 100 has good adhesion performance in the non-bent portion, and finally solves the problem that the display module is bent and the irreversible deformation occurs.
  • the flexible display screen and the cover portion are bent at an intermediate position, so that the curved portion is an intermediate position of the flexible display screen and the cover portion, and the non-curved portion is a portion on both sides of the curved portion.
  • the flexible display screen and the cover portion can be bent along a preset defined position, so that the curved portion and the non-curved portion can be correspondingly set according to the preset defined position.
  • the method for coating a display module of the present invention comprises the following steps:
  • an uncured transparent adhesive 102 is applied between the flexible display screen 103 and the cover portion 101.
  • the material of the transparent adhesive 102 is a combination of one or more of acrylic, silicon, polyurethane and rubber.
  • step S402 the curved portion 104 and the transparent glue inside the curved portion are covered with a barrier curing material.
  • the barrier-cured material is a material that blocks ultraviolet rays, and the step of curing the transparent adhesive inside the non-bending portion is specifically: curing the transparent adhesive inside the non-bending portion by ultraviolet curing.
  • the barrier-cured material may also be selected from other materials depending on the curing mode, such as moisture curing, heat curing, anaerobic curing, and dual curing.
  • the gluing method further includes the step of removing the cured material on the curved portion 104 after curing the transparent adhesive 102 inside the non-curved portion 105.
  • the cured transparent adhesive is used by the non-bending portion, and the non-cured transparent adhesive is used for the curved portion, which solves the problem that the display module is bent and the irreversible deformation occurs.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种显示模组(100)的涂胶方法,显示模组(100)包括柔性显示屏(103)及置于柔性显示屏(103)上的盖部(101),该涂胶方法包括以下步骤:(S401)涂敷未固化的透明胶(102)于柔性显示屏(103)及盖部(101)之间,其中,柔性显示屏(103)及盖部(101)包括可弯折的弯曲部(104)及非弯曲部(105);(S402)使用一阻隔固化的材料覆盖弯曲部(104)及弯曲部(104)内部的透明胶(102);及(S403)固化非弯曲部(105)内部的透明胶(102)。一种显示模组(100)及包括显示模组(100)的显示装置(1)。在非弯曲部(105)固化透明胶(102),弯曲部(104)不固化透明胶(102),提高显示面板的粘附性及流动性。

Description

显示模组、显示模组的涂胶方法及显示装置 技术领域
本发明涉及一种显示模组、显示模组的涂胶方法及显示装置。
背景技术
随着显示面板技术的发展,近几年柔性显示面板显示技术得到了飞速的发展,柔性显示面板具有更高的绕曲性,和薄型化以外,起到粘结作用的透明胶在弯折过程中的性能表现尤为重要。可以通过优化透明胶的性能提高柔性显示面板的耐弯折性能。
传统的透明胶需要有较好的光学性能和较强的粘附性能和一个较好的油墨短差吸附能力。但除传统的应用要求外,柔性显示面板上应用的透明胶需要一个较好的耐弯折性能,和缓解和释放掉其它层弯折过程中产生的应力,但是现有技术下的柔性显示面板明显在弯折时存在弯折失效和发生不可恢复变形的问题。
发明内容
有鉴于此,本发明提供一种显示装置、显示模组及显示模组的涂胶方法,旨在解决上述的技术问题。
本发明提供一种显示模组的涂胶方法,所述显示模组包括柔性显示屏及置于柔性显示屏上的盖部,该涂胶方法包括以下步骤:
涂敷未固化的透明胶于所述柔性显示屏及所述盖部之间,其中,所述柔性显示屏及所述盖部包括弯曲部及非弯曲部;
使用一阻隔固化的材料覆盖所述弯曲部及所述弯曲部内部的透明胶;及
固化所述非弯曲部内部的透明胶。
其中,该涂胶方法还包括以下步骤:在固化所述非弯曲部内部的透明胶后,移除所述弯曲部上阻隔固化的材料。
其中,所述阻隔固化的材料为阻隔紫外线的材料。
其中,所述固化所述非弯曲部内部的透明胶的步骤具体为:采用紫外线固化的方式固化所述非弯曲部内部的透明胶。
其中,所述弯曲部在弯折状态下的半径为R,弯曲部的长度为πR,非弯曲部的长度在πR+5与πR+10之间。
其中,所述透明胶的材料为丙烯酸,硅,聚氨酯及橡胶中的一个或多个的组合。
本发明还提供一种显示模组,所述显示模组包括柔性显示屏、置于柔性显示屏上的盖部及置于柔性显示屏与盖部之间的透明胶,所述柔性显示屏及所述盖部包括弯曲部及非弯曲部,所述弯曲部之间的透明胶为未固化的,所述非弯曲部之间的透明胶为固化的。
其中,所述弯曲部的半径为R,弯曲部的长度为πR,非弯曲部的长度为在πR+5与πR+10之间。
本发明还提供一种显示装置,其包括上述的显示模组。
本发明所述的显示装置、显示模组及其涂胶方法,通过固化非弯曲部的透明胶,提高透明胶的粘附度,以及对弯曲部的透明胶进行非固化,提供了透明胶的粘附性。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1是本发明一实施例中的显示装置的模块示意图。
图2是本发明一实施例中显示模组弯曲后的示意图。
图3是本发明一实施例中显示模组,包括弯曲部及非弯曲部的示意图。
图4是本发明显示模组的涂胶方法流程图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
如图1至3所示,为本发明一实施例中显示装置的示意图。本实施方式中,该显示装置1可以为液晶显示器、液晶电视、手机、平板电脑等。该显示装置1包括显示模组100。该显示模组100包括柔性显示屏103、置于柔性显示屏103上的盖部101及置于柔性显示屏与盖部之间的透明胶102。本实施方式中,该柔性显示屏为有机发光二极管制成的显示屏。其他实施方式中,该柔性显示屏也可为液晶显示屏等。该柔性显示屏103及该盖部101包括弯曲部104及非弯曲部105。在本实施方式中,该弯曲部定义为可弯折的部分,该弯曲部104在弯折状态下的半径为R,弯曲部的长度为πR,非弯曲部105的长度在πR+5~πR+10之间。该弯曲部104之间的透明胶为未固化的,如此可以在显示模组100在沿弯曲部104弯折时透明102部分具有较好的流动性,该非弯曲部105之间的透明胶102为固化的,如此使得显示模组100在非弯曲的部分具有较好的粘附性能,最终很好的解决了显示模组弯折失效和发生不可恢复变形的问题。
在本实施方式中,该柔性显示屏及盖部为沿中间位置进行弯折的,故弯曲部为该柔性显示屏及盖部的中间位置,而该非弯曲部为弯曲部两侧的部分。其他实施方式中,该柔性显示屏及盖部可沿预设定义好的位置进行弯折,故弯曲部及非弯曲部可根据预设定义好的位置进行相应设置。
如图4所示,为本发明显示模组的涂胶方法,该方法包括以下步骤:
步骤S401,涂敷未固化的透明胶102于所述柔性显示屏103及所述盖部101之间。在本实施方式中,该透明胶102的材料为丙烯酸,硅,聚氨酯及橡胶中的一个或多个的组合。
步骤S402,使用一阻隔固化的材料覆盖所述弯曲部104及所述弯曲部内部的透明胶。
步骤S403,固化所述非弯曲部105内部的透明胶102。在本实施方式中,该阻隔固化的材料为阻隔紫外线的材料,该固化所述非弯曲部内部的透明胶步 骤具体为:采用紫外线固化的方式固化所述非弯曲部内部的透明胶。其他实施方式中,该阻隔固化的材料也可根据固化方式的不同选择其他的材料,不同的固化方式例如:湿气固化、加热固化、厌氧固化及双重固化等。
进一步地,该涂胶方法还包括以下步骤:在固化所述非弯曲部105内部的透明胶102后,移除所述弯曲部104上阻隔固化的材料。
本发明的显示装置及显示模组,通过非弯曲部使用固化的透明胶,弯曲部使用非固化的透明胶,很好的解决了显示模组弯折失效和发生不可恢复变形的问题。
以上所揭露的仅为本发明较佳实施例而已,当然不能以此来限定本发明之权利范围,本领域普通技术人员可以理解实现上述实施例的全部或部分流程,并依本发明权利要求所作的等同变化,仍属于发明所涵盖的范围。

Claims (11)

  1. 一种显示模组的涂胶方法,所述显示模组包括柔性显示屏及置于柔性显示屏上的盖部,其中:所述涂胶方法包括以下步骤:
    涂敷未固化的透明胶于所述柔性显示屏及所述盖部之间,其中,所述柔性显示屏及所述盖部包括弯曲部及非弯曲部;
    使用一阻隔固化的材料覆盖所述弯曲部及所述弯曲部内部的透明胶;及
    固化所述非弯曲部内部的透明胶。
  2. 如权利要求1所述的显示模组的涂胶方法,其中:所述涂胶方法还包括以下步骤:在固化所述非弯曲部内部的透明胶后,移除所述弯曲部上阻隔固化的材料。
  3. 如权利要求1所述的显示模组的涂胶方法,其中:所述阻隔固化的材料为阻隔紫外线的材料。
  4. 如权利要求2所述的显示模组的涂胶方法,其中:所述固化所述非弯曲部内部的透明胶的步骤具体为:采用紫外线固化的方式固化所述非弯曲部内部的透明胶。
  5. 如权利要求1所述的显示模组的涂胶方法,其中:所述弯曲部的半径为R,弯曲部的长度为πR,非弯曲部的长度为在πR+5与πR+10之间。
  6. 如权利要求1所述的显示模组的涂胶方法,其中:所述透明胶的材料为丙烯酸,硅,聚氨酯及橡胶中的一个或多个的组合。
  7. 如权利要求1所述的显示模组的涂胶方法,其中:所述弯曲部为所述柔性显示屏与盖部中间位置,所述非弯曲部置于所述弯曲部两侧。
  8. 一种显示模组,所述显示模组包括柔性显示屏、置于柔性显示屏上的盖部及置于柔性显示屏与盖部之间的透明胶,其中:所述柔性显示屏及所述盖部包括弯曲部及非弯曲部,所述弯曲部之间的透明胶为未固化的,所述非弯曲部之间的透明胶为固化的。
  9. 如权利要求8所述的显示模组,其中:所述弯曲部的半径为R,弯曲部的长度为πR,非弯曲部的长度为在πR+5与πR+10之间。
  10. 一种显示装置,其包括显示模组,所述显示模组包括柔性显示屏、置 于柔性显示屏上的盖部及置于柔性显示屏与盖部之间的透明胶,其特征在于:所述柔性显示屏及所述盖部包括弯曲部及非弯曲部,所述弯曲部之间的透明胶为未固化的,所述非弯曲部之间的透明胶为固化的。
  11. 如权利要求10所述的显示装置,其中:所述弯曲部的半径为R,弯曲部的长度为πR,非弯曲部的长度为在πR+5与πR+10之间。
PCT/CN2017/118033 2017-11-10 2017-12-22 显示模组、显示模组的涂胶方法及显示装置 WO2019090926A1 (zh)

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