WO2014043891A1 - 一种显示面板及其制造方法 - Google Patents

一种显示面板及其制造方法 Download PDF

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Publication number
WO2014043891A1
WO2014043891A1 PCT/CN2012/081747 CN2012081747W WO2014043891A1 WO 2014043891 A1 WO2014043891 A1 WO 2014043891A1 CN 2012081747 W CN2012081747 W CN 2012081747W WO 2014043891 A1 WO2014043891 A1 WO 2014043891A1
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WIPO (PCT)
Prior art keywords
substrate
sealant
display panel
pixel region
conductive traces
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Ceased
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PCT/CN2012/081747
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English (en)
French (fr)
Inventor
杜鹏
姜佳丽
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TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
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Priority to US13/642,534 priority Critical patent/US20140078456A1/en
Publication of WO2014043891A1 publication Critical patent/WO2014043891A1/zh
Anticipated expiration legal-status Critical
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    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G02F1/13398—Spacer materials; Spacer properties
    • 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
    • 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
    • G02F2202/16—Materials and properties conductive

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a display panel and a method of fabricating the same.
  • the sealing of the liquid crystal display panel is realized by the frame glue, and the frame glue can seal the liquid crystal material, and the devices and circuits in the panel can be prevented from being affected by the external moisture and oxygen.
  • the frame seal liquid crystal panel is irradiated by ultraviolet rays, and the sealant is cured by ultraviolet irradiation, thereby achieving the purpose of sealing the liquid crystal panel.
  • the conventional method of curing by ultraviolet irradiation has a drawback that the process is complicated, and it is therefore necessary to provide a display panel and a method of manufacturing the same to solve the above problems.
  • the technical problem to be solved by the present invention is to provide a display panel and a manufacturing method thereof, which can simplify the process and achieve the purpose of sealing the frame seal.
  • a technical solution adopted by the present invention is to provide a display panel including a first substrate and a second substrate disposed opposite to each other; the first substrate includes a pixel area and a frame glue, and the frame rubber is arranged around Between the pixel region, the sealant contains a heated molten material; the second substrate is provided with a conductive trace; wherein the conductive trace and the sealant are disposed between the first substrate and the second substrate, and the conductive trace After the power is heated, the sealant is cured; wherein the pixel area is an OLED pixel area or a TFT-LCD pixel area; the conductive trace includes a connection trace extending to the edge of the second substrate, and the connection trace is used for connecting with an external power source to guide Electric wiring is supplied.
  • the sealant is a heat-cured sealant.
  • a display panel including a first substrate and a second substrate disposed opposite to each other; the first substrate includes a pixel area and a frame glue, and the frame rubber surrounds The device is disposed around the pixel region, and the sealant comprises a heated molten material; the second substrate is provided with a conductive trace; wherein the conductive trace and the sealant are disposed between the first substrate and the second substrate, and are electrically conductive After the wire is electrically heated, the sealant is cured.
  • the first substrate is a thin film transistor array substrate
  • the second substrate is a color filter substrate.
  • the pixel area is an OLED pixel area.
  • the pixel area is a TFT-LCD pixel area.
  • the conductive traces include connection traces extending to the edge of the second substrate, and the connection traces are connected to an external power source to supply power to the conductive traces.
  • another technical solution adopted by the present invention is to provide a manufacturing method of a display panel, including:
  • the conductive traces and the sealant are arranged to overlap each other and disposed between the first substrate and the second substrate; and the conductive traces are electrically heated to cure the heat generated by the conductive traces to cure the sealant.
  • the first substrate is a thin film transistor array substrate
  • the second substrate is a color filter substrate.
  • the pixel area is an OLED pixel area.
  • the pixel area is a TFT-LCD pixel area.
  • the conductive traces include connection traces extending to the edge of the second substrate, and the connection traces are connected to an external power source to supply power to the conductive traces.
  • the present invention provides a conductive trace on the second substrate by surrounding the pixel region containing the heated molten material around the pixel region on the first substrate, and
  • the conductive trace overlaps with the frame glue, and the heat generated by energizing the conductive traces causes the sealant to be solidified without curing by ultraviolet light, which simplifies the process and achieves the purpose of sealing the sealant.
  • FIG. 1 is a schematic flow chart of a method of manufacturing a display panel according to an embodiment of the present invention
  • FIG. 2 is a schematic plan view showing a display panel of an embodiment of the present invention.
  • Figure 3 is a cross-sectional structural view taken along line A-A of Figure 2;
  • Figure 4 is a schematic cross-sectional view taken along line B-B of Figure 2;
  • FIG. 1 is a flow chart showing a method of manufacturing a display panel according to an embodiment of the present invention. As shown in FIG. 1, the manufacturing method of the display panel of the present invention includes:
  • Step S101 providing a first substrate and a second substrate.
  • Step S102 coating the sealant containing the heated molten material around the pixel region of the first substrate.
  • the sealant melts and solidifies when it is heated, thereby achieving the sealing effect.
  • Step S103 providing conductive traces on the second substrate.
  • step S104 the first substrate and the second substrate are aligned, such that the conductive traces and the sealant are overlapped with each other and disposed between the first substrate and the second substrate.
  • Step S105 The conductive traces are electrically heated to cure the sealant by the heat generated by the conductive traces.
  • the conductive traces for heating the sealant on the second substrate are specifically arranged. Since the voltage and current amount are relatively large, and the working voltage of the conventional LCD panel is inconsistent, the conductive trace is preferably It is not mixed with other circuits or set separately from other circuits. Further, the voltage value or current value applied on the conductive trace is designed according to the specific impedance of the sealant.
  • the first substrate is preferably a thin film transistor array substrate
  • the second substrate is preferably a color filter substrate.
  • the first substrate may also be a color filter substrate
  • the second substrate may also be a thin film transistor array substrate.
  • the conductive traces may be disposed on the first substrate or the second substrate, and are disposed at a certain distance from the original driving lines in the display panel to avoid short circuit and signal interference, so the conductive traces are disposed. Preferably, it is as far as possible from the drive line area on the pixel area. That is, it is preferably provided on the color filter substrate.
  • the pixel region and the driving circuit are disposed on the thin film transistor array substrate, when the conductive trace is disposed on the thin film transistor array substrate, in order to avoid short circuit and signal interference, the conductive trace is disposed away from the pixel region. Farther, thereby increasing the area of the non-display area of the display panel, and the effect of the narrow border cannot be achieved.
  • the driving circuit is usually not provided on the color filter substrate, the conductive traces are disposed on the color filter substrate, which can avoid signal interference between the lines and further realize the effect of narrow borders.
  • FIG. 2 is a schematic plan view showing a planar structure of a display panel according to an embodiment of the present invention
  • FIG. 3 is a schematic cross-sectional structural view taken along line A-A of FIG.
  • the display panel 100 includes a first substrate 110 , a second substrate 120 , a pixel region 130 , a sealant 140 , and a conductive trace 150 .
  • the first substrate 110 and the second substrate 120 are oppositely disposed.
  • the first substrate 110 includes a pixel region 130 and a sealant 140, and the sealant 140 is disposed around the pixel region 130.
  • the sealant 140 contains a heated molten material 141. Further, the sealant 140 is a heat-cured sealant.
  • the second substrate 120 is provided with a conductive trace 150, wherein the conductive trace 150 and the sealant 140 are disposed to overlap each other such that the conductive trace 150 is disposed between the first substrate 110 and the second substrate 120.
  • the pixel region 130 is a TFT-LCD (Thin Film Transistor-Liquid) Crystal Display, thin film field effect transistor liquid crystal display panel) pixel area or OLED (Organic Light-Emitting) Diode, organic light emitting diode) pixel area.
  • TFT-LCD Thi Film Transistor-Liquid
  • OLED Organic Light-Emitting
  • Diode organic light emitting diode
  • FIG. 4 is a schematic cross-sectional structural view taken along line B-B of FIG.
  • the conductive trace 150 includes a connection trace 151 extending to the edge of the second substrate 120, and the connection trace 151 is used for connection with an external power source to supply power to the conductive trace 150.
  • the connection trace 151 and the conductive trace 150 are the same kind of conductive material.
  • the present invention provides a conductive trace on the second substrate by surrounding a pixel region containing the heated molten material around the pixel region on the first substrate, and is electrically conductive.
  • the wiring overlaps with the frame glue, and the heat generated by energizing the conductive traces causes the sealant to be solidified without curing by ultraviolet light, which simplifies the process and achieves the purpose of sealing the sealant.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electroluminescent Light Sources (AREA)

Description

一种显示面板及其制造方法
【技术领域】
本发明涉及显示技术领域，特别是涉及一种显示面板及其制造方法。
【背景技术】
近年来，各种显示技术不断的蓬勃发展，显示面板等产品已经逐渐地商业化，并被应用于各种尺寸的显示装置中。
通常液晶显示面板的密封都是用框胶来实现，框胶可以密封液晶材料，同时也可以使面板内的器件和线路不会受到外界的湿气和氧气影响。在现有技术中，框胶密封液晶面板都是采用紫外线照射方式，通过紫外线照射使框胶固化，从而达到密封液晶面板的目的。
但是，现有通过紫外线照射进行固化的方式存在制程复杂的缺陷，因而有必要提供一种显示面板及其制造方法以解决上述问题。
【发明内容】
本发明主要解决的技术问题是提供一种显示面板及其制造方法，能够简化制程，实现框胶密封的目的。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种显示面板，显示面板包括相对设置的第一基板和第二基板；第一基板上包括像素区和框胶，框胶环绕设置在像素区的周围，且框胶中含有加热熔融物质；第二基板上设置有导电走线；其中，导电走线和框胶重叠设置在第一基板和第二基板之间，且导电走线通电加热后使得框胶固化；其中，像素区为OLED像素区或TFT-LCD像素区；导电走线包括延伸至第二基板边缘的连接走线，连接走线用于与外部电源连接，以向导电走线供电。
其中，框胶为热固化框胶。
为解决上述技术问题，本发明采用的另一个技术方案是：提供一种显示面板，显示面板包括相对设置的第一基板和第二基板；第一基板上包括像素区和框胶，框胶环绕设置在像素区的周围，且框胶中含有加热熔融物质；第二基板上设置有导电走线；其中，导电走线和框胶重叠设置在第一基板和第二基板之间，且导电走线通电加热后使得框胶固化。
其中，第一基板为薄膜晶体管阵列基板，第二基板为彩色滤光片基板。
其中，像素区为OLED像素区。
其中，像素区为TFT-LCD像素区。
其中，导电走线包括延伸至第二基板边缘的连接走线，连接走线用于与外部电源连接，以向导电走线供电。
为解决上述技术问题，本发明采用的又一个技术方案是：提供一种显示面板的制造方法，其包括：
提供第一基板和第二基板；将含有加热熔融物质的框胶涂布在第一基板的像素区的周围；在第二基板上设置导电走线；将第一基板和第二基板对位贴合，使得导电走线和框胶互相重叠环绕设置在第一基板和第二基板之间；将导电走线通电加热，以通过导电走线加热后产生的热量使得框胶中固化。
其中，第一基板为薄膜晶体管阵列基板，第二基板为彩色滤光片基板。
其中，像素区为OLED像素区。
其中，像素区为TFT-LCD像素区。
其中，导电走线包括延伸至第二基板边缘的连接走线，连接走线用于与外部电源连接，以向导电走线供电。
本发明的有益效果是：区别于现有技术的情况，本发明通过将含有加热熔融物质的框胶环绕设置在第一基板上的像素区的周围，在第二基板上设置导电走线，且导电走线与框胶重叠，通过给导电走线通电加热后产生的热量使得框胶固化，不需通过紫外光照射进行固化，能够简化制程，实现框胶密封的目的。
【附图说明】
图1是本发明实施方式的显示面板的制造方法的流程示意图；
图2是本发明实施方式的显示面板的平面结构示意图；
图3是图2中A-A线的剖面结构示意图；
图4是图2中B-B线的剖面结构示意图。
【具体实施方式】
下面结合附图和实施方式对本发明进行详细说明。
图1是本发明实施方式的显示面板的制造方法的流程示意图。如图1所示，本发明显示面板的制造方法包括：
步骤S101：提供第一基板和第二基板。
步骤S102：将含有加热熔融物质的框胶涂布在第一基板的像素区的周围。
其中，框胶遇热会熔融而固化，从而实现密封的作用。
步骤S103：在第二基板上设置导电走线。
步骤S104：将第一基板和第二基板对位贴合，使得导电走线和框胶互相重叠环绕设置在第一基板和第二基板之间。
步骤S105：将导电走线通电加热，以通过导电走线加热后产生的热量使得框胶固化。
在上述步骤中，第二基板上用于加热框胶使其固化的导电走线是特定设置的，由于电压及电流量会比较大，与常规LCD面板的工作电压不一致，所以导电走线优选为不与其他的电路混合设置或者与其他电路交叉分开设置。进一步地，导电走线上施加的电压值或电流值根据框胶的特定阻抗而设计。
具体而言，本发明实施例中，第一基板优选为薄膜晶体管阵列基板，第二基板优选为彩色滤光片基板。应理解，第一基板也可以是彩色滤光片基板，第二基板也可以是薄膜晶体管阵列基板。
其中，导电走线可以设置在第一基板或第二基板上，且设置时需与显示面板中原有的驱动线路之间保持一定间距，以避免产生短路以及信号干扰，所以导电走线的设置位置优选为尽量远离像素区上的驱动线路区域。即：优选为设置在彩色滤光片基板上。
具体而言，由于在薄膜晶体管阵列基板上设置有像素区及其驱动线路，导电走线设置在薄膜晶体管阵列基板上时，为避免产生短路以及信号干扰，导电走线的设置位置需离像素区较远，由此增加了显示面板的非显示区的面积，而无法实现窄边框的效果。另一方面，由于彩色滤光片基板上通常不设置有驱动线路，因此将导电走线设置在彩色滤光片基板上，既可以避免线路之间信号干扰又可以进一步实现窄边框的效果。
图2是本发明实施方式的显示面板的平面结构示意图；图3是图2中A-A线的剖面结构示意图。请参考图2与图3，显示面板100包括有第一基板110、第二基板120、像素区130、框胶140和导电走线150。
其中，第一基板110和第二基板120相对设置。第一基板110上包括有像素区130和框胶140，框胶140环绕设置在像素区130的周围。框胶140中含有加热熔融物质141，进一步地，框胶140为热固化框胶。
第二基板120上设置有导电走线150，其中导电走线150与框胶140互相重叠设置，使得导电走线150环绕设置在第一基板110和第二基板120之间。
进一步地，像素区130为TFT-LCD（Thin Film Transistor-Liquid Crystal Display，薄膜场效应晶体管液晶显示面板）像素区或者为OLED（Organic Light-Emitting Diode，有机发光二极管）像素区。
请一并参考图4，图4是图2中B-B线的剖面结构示意图。导电走线150包括延伸至第二基板120边缘的连接走线151，连接走线151用于与外部电源连接，以向导电走线150供电。其中连接走线151与导电走线150为同种导电材料。
本发明的有益效果是：与现有技术相比，本发明通过将含有加热熔融物质的框胶环绕设置在第一基板上的像素区的周围，在第二基板上设置导电走线，且导电走线与框胶重叠，通过给导电走线通电加热后产生的热量使得框胶固化，不需通过紫外光照射进行固化，能够简化制程，实现框胶密封的目的。
以上所述仅为本发明的实施方式，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (12)

  1. 一种显示面板，其中，所述显示面板包括：
    相对设置的第一基板和第二基板；
    所述第一基板上包括像素区和框胶，所述框胶环绕设置在所述像素区的周围，且所述框胶中含有加热熔融物质；
    所述第二基板上设置有导电走线；
    其中，所述导电走线和所述框胶重叠设置在所述第一基板和所述第二基板之间，且所述导电走线通电加热后使得所述框胶固化；
    其中，所述像素区为OLED像素区或TFT-LCD像素区；
    所述导电走线包括延伸至所述第二基板边缘的连接走线，所述连接走线用于与外部电源连接，以向所述导电走线供电。
  2. 根据权利要求1所述的显示面板，其中，所述框胶为热固化框胶。
  3. 一种显示面板，其中，所述显示面板包括：
    相对设置的第一基板和第二基板；
    所述第一基板上包括像素区和框胶，所述框胶环绕设置在所述像素区的周围，且所述框胶中含有加热熔融物质；
    所述第二基板上设置有导电走线；
    其中，所述导电走线和所述框胶重叠设置在所述第一基板和所述第二基板之间，且所述导电走线通电加热后使得所述框胶固化。
  4. 根据权利要求3所述的显示面板，其中，所述第一基板为薄膜晶体管阵列基板，所述第二基板为彩色滤光片基板。
  5. 根据权利要求3所述的显示面板，其中，所述像素区为OLED像素区。
  6. 根据权利要求3所述的显示面板，其中，所述像素区为TFT-LCD像素区。
  7. 根据权利要求3所述的显示面板，其中，所述导电走线包括延伸至所述第二基板边缘的连接走线，所述连接走线用于与外部电源连接，以向所述导电走线供电。
  8. 一种显示面板的制造方法，其中，所述制造方法包括：
    提供第一基板和第二基板；
    将含有加热熔融物质的框胶涂布在所述第一基板的像素区的周围；
    在所述第二基板上设置导电走线；
    将所述第一基板和所述第二基板对位贴合，使得所述导电走线和所述框胶互相重叠环绕设置在所述第一基板和所述第二基板之间；
    将所述导电走线通电加热，以通过所述导电走线加热后产生的热量使得所述框胶固化。
  9. 根据权利要求8所述的显示面板的制造方法，其中，所述第一基板为薄膜晶体管阵列基板，所述第二基板为彩色滤光片基板。
  10. 根据权利要求8所述的显示面板的制造方法，其中，所述像素区为OLED像素区。
  11. 根据权利要求8所述的显示面板的制造方法，其中，所述像素区为TFT-LCD像素区。
  12. 根据权利要求8所述的显示面板的制造方法，其中，所述导电走线包括延伸至所述第二基板边缘的连接走线，所述连接走线用于与外部电源连接，以向所述导电走线供电。
PCT/CN2012/081747 2012-09-19 2012-09-21 一种显示面板及其制造方法 Ceased WO2014043891A1 (zh)

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