WO2018210328A1 - 显示面板的母板、显示面板和显示装置 - Google Patents

显示面板的母板、显示面板和显示装置 Download PDF

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Publication number
WO2018210328A1
WO2018210328A1 PCT/CN2018/087444 CN2018087444W WO2018210328A1 WO 2018210328 A1 WO2018210328 A1 WO 2018210328A1 CN 2018087444 W CN2018087444 W CN 2018087444W WO 2018210328 A1 WO2018210328 A1 WO 2018210328A1
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WIPO (PCT)
Prior art keywords
substrate
display panel
orthographic projection
sealant
cutting
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PCT/CN2018/087444
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English (en)
French (fr)
Inventor
杨涛
蒋志亮
宋伟
陈芃
李增红
白晓鹏
刘琳
张永红
包珊珊
赵锦
刘耀荣
Original Assignee
京东方科技集团股份有限公司
鄂尔多斯市源盛光电有限责任公司
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Publication of WO2018210328A1 publication Critical patent/WO2018210328A1/zh

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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/87—Passivation; Containers; Encapsulations
    • H10K59/871—Self-supporting sealing arrangements
    • H10K59/8722—Peripheral sealing arrangements, e.g. adhesives, sealants

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  • the present disclosure relates to the field of display technologies, and in particular, to a motherboard, a display panel, and a display device of a display panel.
  • the so-called border refers to the distance from the edge of the display panel to the display area.
  • the border of the mobile phone display screen is getting narrower and narrower.
  • the OLED display panel encapsulates the array substrate and the package cover using glass glue.
  • Embodiments of the present disclosure provide a motherboard for a display panel.
  • the motherboard of the display panel includes: a stacked first substrate and a second substrate; a frame seal glue disposed between the first substrate and the second substrate; and a cutting line, wherein the cutting line is disposed at the And cutting a cutting path on the first substrate; wherein an orthographic projection of the sealant on the first substrate completely covers an orthographic projection of the cutting line on the first substrate.
  • the orthographic projection of the sealant on the first substrate comprises a corner, and an outer edge of the corner has a right angle shape.
  • the orthographic projection of the sealant on the first substrate comprises a corner, and an outer edge of the corner has an arc shape.
  • the cutting line comprises at least two sub-cut lines, the at least two sub-cut lines intersecting at an intersection, the orthographic projection of the intersection on the first substrate being covered by the corner.
  • the orthographic projection of the sealant on the first substrate has a substantially rectangular shape, and the orthographic projection of the sealant on the first substrate includes an inner edge and an outer edge; The distance between the orthographic projection of the cutting line on the first substrate and the outer edge is 95 to 100 ⁇ m.
  • the motherboard of the display panel further includes an alignment mark disposed on the first substrate, the alignment mark corresponding to the corner portion and indicating a registration position; the alignment mark includes a row
  • the cloth is a plurality of sub-marks of the array, and spaces are arranged between adjacent sub-marks.
  • an orthographic projection of the dicing line on the first substrate at least partially overlaps an orthographic projection of the sub-mark on the first substrate.
  • the material of the sealant comprises a glass glue.
  • An embodiment of the present disclosure also provides a display panel.
  • the display panel is formed by cutting a mother board of the display panel along the cutting line.
  • the display panel includes a cutting corner, and a space between the first substrate and the second substrate and corresponding to the cutting corner is completely filled by the sealant.
  • An embodiment of the present disclosure also provides a display device.
  • the display device includes the display panel described in the above embodiments.
  • 1a is a top view of a motherboard of a display panel side before cutting in a frame according to the related art
  • FIG. 1b is a top view of the motherboard of the display panel in the related art after the frame is cut;
  • FIG. 2a is a top view of the motherboard of the display panel before the frame is cut in the embodiment of the present disclosure
  • Figure 2b is a cross-sectional view of the mother board of the display panel shown in Figure 2a taken along the line A-A';
  • FIG. 2c is a top view of the motherboard of the display panel shown in FIG. 2a after the frame is cut;
  • 3a is a top view of a motherboard of a display panel before cutting a frame according to another embodiment of the present disclosure
  • Figure 3b is a top plan view of the motherboard of the display panel shown in Figure 3a after the frame is cut;
  • FIG. 4 is a top plan view of a motherboard of a display panel in accordance with an embodiment of the present disclosure.
  • Embodiments of the present disclosure provide a motherboard of a display panel.
  • the mother board of the display panel includes: a stacked first substrate 1 and a second substrate 1'; and is disposed on the first substrate 1 and the second substrate 1' Intervening sealant 2; and a cutting line 4 disposed on the first substrate 1 and indicating a cutting path; wherein the orthographic projection of the sealant 2 on the first substrate 1 An orthographic projection of the cutting line 4 on the first substrate 1 is completely covered.
  • FIG. 4 is a top plan view of a motherboard of a display panel in accordance with an embodiment of the present disclosure.
  • the motherboard 400 of the display panel includes a plurality of display panels 401 arranged in an array. After the bezel cut is performed, multiple separate display panels are available.
  • frame cut refers to performing a cutting process on a mother board of the display panel along a cutting line. In the frame cutting, the first substrate, the sealant, and the second substrate are simultaneously cut.
  • the orthographic projection of the sealant 2 on the first substrate 1 completely covers the orthographic projection of the cutting line 4 on the first substrate 1.
  • the cutting abnormality caused by the cutting line 4 partially falling outside the coating area of the sealant 2 is prevented (e.g., the cutting causes the glass substrate 1 to be chipped, the cutting edge to be uneven, etc.).
  • the reliability of the display panel after cutting is prevented from being caused by the transition of the cutting line 4 from the coating area of the sealing frame 2 to the uncoated area, so that the reliability and the cutting effect of the display panel obtained by the frame cutting are satisfactory. , to ensure the quality of the obtained display panel.
  • the first substrate 1 and the second substrate 1' may be a glass substrate, a resin substrate or a substrate composed of other materials.
  • the orthographic projection of the sealant 2 on the first substrate 1 includes a corner portion 8, and the outer edge of the corner portion 8 has a right angle shape.
  • the cutting line 4 comprises at least two sub-cut lines 41 and 42 which intersect at an intersection point P.
  • the intersection point P is located at the corner of the sealant 2, so that each sub-cut line along the frame of the display panel can be completely located in the distribution area of the sealant 2. Therefore, the cutting effect at the corner of the display panel is consistent with the cutting effect of other regions, so that the reliability and the cutting effect of the display panel obtained by the frame cutting are both satisfactory, and the quality of the obtained display panel is ensured.
  • the area enclosed by the sealant 2 is the display area 5 of the display panel.
  • the cutting line 4 includes at least two sub-cut lines 41 and 42 that intersect at an intersection P, which is positive on the first substrate 1. The projection is covered by the corners 8.
  • the orthographic projection of the sealant 2 on the first substrate 1 has a substantially rectangular shape, and the orthographic projection of the sealant 2 on the first substrate 1 includes The inner edge 21 and the outer edge 22 (as shown in Figures 2a and 3a); the distance between the orthographic projection of the cutting line 4 on the first substrate 1 and the outer edge 22 is 95-100 ⁇ m.
  • the distance setting not only realizes the narrow bezel 3 of the display panel, but also satisfies the reliability and cutting effect of the cut display panel.
  • a blank area shown as 402 in Fig. 4 may be provided around the sealant 2 to release stress during cutting.
  • the motherboard of the display panel further includes an alignment mark 6 disposed on the first substrate 11, the alignment mark 6 corresponding to the corner 8 and indicating a registration position;
  • the bit mark 6 includes a plurality of sub-marks 61 arranged in an array, and spaces are provided between adjacent sub-marks 61.
  • the orthographic projection of the cutting line 4 on the first substrate 1 at least partially overlaps the orthographic projection of the sub-mark 61 on the first substrate 1. .
  • This setting ensures the cutting effect of the display panel border. Since the alignment mark 6 is no longer required after the two glass substrates 1 are stacked, the partial sub-marks 61 are cut off after the cutting.
  • the material of the sealant 2 comprises a glass glue. Cutting on the glass glue for packaging can not only realize the narrow frame of the display panel, but also satisfy the requirements of the reliability and the cutting effect of the cut display panel.
  • FIG. 3a and FIG. 3b another embodiment of the present disclosure provides a motherboard for a display panel.
  • the orthographic projection of the sealant 2 on the first substrate 1 comprises a corner 8, the outer edge of which has an arcuate shape.
  • the orthographic projection of the sealant 2 on the first substrate 1 completely covers the orthographic projection of the cutting line 4 on the first substrate 1.
  • the cutting abnormality caused by the cutting line 4 partially falling outside the coating area of the sealant 2 is avoided (for example, the cutting causes the glass substrate 1 to be chipped, the cutting edge to be uneven, and the like).
  • the reliability of the display panel after cutting is prevented from being caused by the transition of the cutting line 4 from the coating area of the sealing frame 2 to the uncoated area, so that the reliability and the cutting effect of the display panel obtained by the frame cutting are satisfactory. , to ensure the quality of the obtained display panel.
  • the orthographic projection of the sealant 2 on the first substrate 1 completely covers the positive of the cutting line 4 on the first substrate 1. projection.
  • the cutting abnormality caused by the cutting line 4 partially falling outside the coating area of the sealant 2 is avoided (for example, the cutting causes the glass substrate 1 to be chipped, the cutting edge to be uneven, and the like).
  • the reliability of the display panel after cutting is prevented from being caused by the transition of the cutting line 4 from the coating area of the sealing frame 2 to the uncoated area, so that the reliability and the cutting effect of the display panel obtained by the frame cutting are satisfactory. , to ensure the quality of the obtained display panel.
  • a further embodiment of the present disclosure provides a display panel formed by cutting a mother board of a display panel in any of the above embodiments along the cutting line 4.
  • the display panel includes a cutting corner, a space between the first substrate and the second substrate and corresponding to the cutting corner (with the drawing The mark 9 indicates) that the sealant 2 is completely filled.
  • the display panel provided by the present disclosure may be any product or component having a display function such as a liquid crystal panel, a liquid crystal television, an OLED panel, an OLED television, a display, a mobile phone, a navigator or the like.
  • Embodiments of the present disclosure also provide a display device.
  • the display device includes the display panel described in the above embodiments.

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Abstract

本公开提供一种显示面板的母板、显示面板和显示装置。该显示面板的母板包括：叠置的第一基板和第二基板；设置于所述第一基板和第二基板之间的封框胶；以及切割线，所述切割线设置在所述第一基板上并指示切割路径；其中，所述封框胶在所述第一基板上的正投影完全地覆盖所述切割线在所述第一基板上的正投影。图2a

Description

显示面板的母板、显示面板和显示装置
相关申请
本申请要求保护在2017年5月19日提交的申请号为201710358271.8的中国专利申请的优先权，该申请的全部内容以引用的方式结合到本文中。
技术领域
本公开涉及显示技术领域，具体地，涉及一种显示面板的母板、显示面板和显示装置。
背景技术
在显示面板中，所谓的边框，是指显示面板边缘到显示区域的距离。为了突出手机整体显示屏幕的比例效果，手机显示屏的边框越来越窄。OLED显示面板使用玻璃胶对阵列基板和封装盖板进行封装。为了实现窄边框，有一种方式为在封装完毕后的玻璃胶上将OLED显示母板上的各个OLED显示面板分别切割下来。在玻璃胶上进行切割，信赖性和切割效果必须要满足要求。
公开内容
本公开实施例提供了一种显示面板的母板。所述显示面板的母板包括：叠置的第一基板和第二基板；设置于所述第一基板和第二基板之间的封框胶；以及切割线，所述切割线设置在所述第一基板上并指示切割路径；其中，所述封框胶在所述第一基板上的正投影完全地覆盖所述切割线在所述第一基板上的正投影。
可选地，所述封框胶在所述第一基板上的正投影包括角部，所述角部的外边缘具有直角形状。
可选地，所述封框胶在所述第一基板上的正投影包括角部，所述角部的外边缘具有弧形形状。
可选地，所述切割线包括至少两条子切割线，所述至少两条子切割线相交于交点，所述交点在所述第一基板上的正投影被所述角部覆盖。
可选地，所述封框胶在所述第一基板上的正投影具有基本上矩形的形状，所述封框胶在所述第一基板上的正投影包括内部边缘和外部边缘；所述切割线在所述第一基板上的正投影与所述外部边缘之间的距离为95～100μm。
可选地，所述显示面板的母板还包括设置在所述第一基板上的对位标记，所述对位标记对应于所述角部并指示对位位置；所述对位标记包括排布呈阵列的多个子标记，相邻的子标记之间设置有间隔。
可选地，所述切割线在所述第一基板上的正投影与所述子标记在所述第一基板上的正投影至少部分地交叠。
可选地，所述封框胶的材料包括玻璃胶。
本公开实施例还提供一种显示面板。所述显示面板由上述显示面板的母板沿着所述切割线切割后形成。
可选地，所述显示面板包括切割角部，位于所述第一基板和第二基板之间且对应于所述切割角部的空间由所述封框胶完全地充满。
本公开实施例还提供了一种显示装置。所述显示装置包括以上实施例所述的显示面板。
附图说明
为了更清楚地说明本公开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公开的一些实施例，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1a为相关技术中显示面板边的母板在框切割前的俯视图；
图1b为相关技术中显示面板的母板在边框切割后的俯视图；
图2a为本公开实施例中显示面板的母板在边框切割前的俯视图；
图2b为图2a中所示的显示面板的母板沿A-A′方向的剖视图；
图2c为图2a中所示的显示面板的母板在边框切割后的俯视图；
图3a为本公开另一实施例中显示面板的母板在边框切割前的俯视图；
图3b为图3a中所示的显示面板的母板在边框切割后的俯视图；以及
图4为根据本公开实施例的显示面板的母板的俯视图。
具体实施方式
下面将结合本公开实施例中的附图，对本公开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公开一部分实施例，而不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
在例如OLED显示面板的制作工艺中，在玻璃胶上进行切割时，如图1a和图1b所示，沿切割线4、每个OLED显示面板的拐角处还有未涂布玻璃胶7的区域。因此，在切割OLED显示面板时，两条切割线4会在显示面板的拐角处相交形成交点P，而该交点P通常恰好落在显示面板拐角处未涂布玻璃胶7的区域。在这种情况下，在玻璃胶7上进行切割时，涂布有玻璃胶7的区域和未涂布玻璃胶7的区域切割效果不一致。从未涂布玻璃胶7的区域向涂布有玻璃胶7的区域进行切割过渡，非常容易导致切割异常和切割后显示面板的信赖性异常。
因此，在玻璃胶上切割时如何确保显示面板不会出现切割异常以及使切割后的显示面板不会出现信赖性异常已成为目前亟待解决的技术问题。
本公开的实施例提供一种显示面板的母板。如图2a-2c和图3a、图3b所示，显示面板的母板包括：叠置的第一基板1和第二基板1′；设置于所述第一基板1和第二基板1′之间的封框胶2；以及切割线4，所述切割线4设置在所述第一基板1上并指示切割路径；其中，所述封框胶2在所述第一基板1上的正投影完全地覆盖所述切割线4在所述第一基板1上的正投影。
图4为根据本公开实施例的显示面板的母板的俯视图。所述显示面板的母板400上包括多个呈阵列排布的显示面板401。在执行了边框切割后，可以得到多个单独的显示面板。在本公开的上下文中，“边框切割”指的是沿着切割线对所述显示面板的母板执行切割工艺。在边框切割中，第一基板、封框胶和第二基板被同时切割。
在本公开实施例中，所述封框胶2在所述第一基板1上的正投影完全地覆盖所述切割线4在所述第一基板1上的正投影。由此，避免 了切割线4局部地落在封框胶2涂布区域以外所导致的切割异常(如切割导致玻璃基板1碎裂、切割边缘不平整等)。同时还避免了切割线4从封框胶2涂布区域过渡到未涂布区域所导致的切割后显示面板的信赖性异常，使得通过边框切割获得的显示面板的信赖性和切割效果均满足要求，确保了所获得的显示面板的品质。
本领域技术人员能够理解，在本公开的实施例中，所述第一基板1和第二基板1′可以是玻璃基板、树脂基板或者由其他材料构成的基板。
可选的，如图2a所示，所述封框胶2在所述第一基板1上的正投影包括角部8，所述角部8的外边缘具有直角形状。所述切割线4包括至少两条子切割线41和42，所述至少两条子切割线41和42相交于交点P。对显示面板的母板进行切割时，沿着子切割线41和42进行切割。此时，交点P位于封框胶2的拐角处，这使得沿显示面板边框的每条子切割线都能够完全位于封框胶2的分布区域内。因此，显示面板拐角处的切割效果与其他区域的切割效果一致，使得通过边框切割获得的显示面板的信赖性和切割效果均满足要求，确保了所获得的显示面板的品质。
在一些实施例中，封框胶2围成的区域为显示面板的显示区域5。
在一些实施例中，所述切割线4包括至少两条子切割线41和42，所述至少两条子切割线41和42相交于交点P，所述交点P在所述第一基板1上的正投影被所述角部8覆盖。
图2a和图3a所示的结构可以例如是显示面板的母板的左下角部分。因此，在一些实施例中，所述封框胶2在所述第一基板1上的正投影具有基本上矩形的形状，所述封框胶2在所述第一基板1上的正投影包括内部边缘21和外部边缘22(如图2a和图3a所示)；所述切割线4在所述第一基板1上的正投影与所述外部边缘22之间的距离为95～100μm。
该距离设置不仅能实现显示面板的窄边框3，而且还能使经切割后的显示面板的信赖性和切割效果均满足要求。在显示面板的母板中，可以在所述封框胶2的周边设置空白区域(如图4中的402所示)，从而在切割时释放应力。
在一些实施例中，所示显示面板的母板还包括设置在第一基板11上的对位标记6，所述对位标记6对应于所述角部8并指示对位位置； 所述对位标记6包括排布呈阵列的多个子标记61，相邻的子标记61之间设置有间隔。
在一些实施例中，如图2a所示，所述切割线4在所述第一基板1上的正投影与所述子标记61在所述第一基板1上的正投影至少部分地交叠。如此设置，能够确保显示面板边框的切割效果。由于叠置两块玻璃基板1之后，对位标记6不再需要使用，因此在切割后，部分子标记61被切掉。
在一些实施例中，封框胶2的材料包括玻璃胶。在封装用的玻璃胶上进行切割，不仅能够实现显示面板的窄边框，而且能够使经切割后的显示面板的信赖性和切割效果均满足要求。
如图3a和图3b所示，本公开另一实施例提供一种显示面板的母板。如图3a所示，所述封框胶2在所述第一基板1上的正投影包括角部8，所述角部8的外边缘具有弧形形状。
在该实施例中，所述封框胶2在所述第一基板1上的正投影完全地覆盖所述切割线4在所述第一基板1上的正投影。由此，避免了切割线4局部地落在封框胶2涂布区域以外所导致的切割异常(如切割导致玻璃基板1碎裂、切割边缘不平整等)。同时还避免了切割线4从封框胶2涂布区域过渡到未涂布区域所导致的切割后显示面板的信赖性异常，使得通过边框切割获得的显示面板的信赖性和切割效果均满足要求，确保了所获得的显示面板的品质。
本实施例中显示面板的母板的其他结构与前一实施例相同，此处不再赘述。
以上两个实施例所提供的显示面板的母板中，所述封框胶2在所述第一基板1上的正投影完全地覆盖所述切割线4在所述第一基板1上的正投影。由此，避免了切割线4局部地落在封框胶2涂布区域以外所导致的切割异常(如切割导致玻璃基板1碎裂、切割边缘不平整等)。同时还避免了切割线4从封框胶2涂布区域过渡到未涂布区域所导致的切割后显示面板的信赖性异常，使得通过边框切割获得的显示面板的信赖性和切割效果均满足要求，确保了所获得的显示面板的品质。
本公开又一实施例提供一种显示面板，该显示面板由任一以上实施例中的显示面板的母板沿着所述切割线4切割后形成。
在一些实施例中，如图2c和图3b所示，所述显示面板包括切割角部，位于所述第一基板和第二基板之间且对应于所述切割角部的空间(以附图标记9指示)由所述封框胶2完全地充满。
利用以上实施例所述的显示面板，不仅能够实现窄边框，而且确保了该显示面板的信赖性和品质。
本公开所提供的显示面板可以为，液晶面板、液晶电视、OLED面板、OLED电视、显示器、手机、导航仪等任何具有显示功能的产品或部件。
本公开的实施例还提供了一种显示装置。所述显示装置包括以上实施例所述的显示面板。
可以理解的是，以上实施方式仅仅是为了说明本公开的原理而采用的示例性实施方式，然而本公开并不局限于此。对于本领域内的普通技术人员而言，在不脱离本公开的精神和实质的情况下，可以做出各种变型和改进，这些变型和改进也视为本公开的保护范围。

Claims (11)

  1. 一种显示面板的母板，包括：
    叠置的第一基板和第二基板；
    设置于所述第一基板和第二基板之间的封框胶；以及
    切割线，所述切割线设置在所述第一基板上并指示切割路径；
    其中，所述封框胶在所述第一基板上的正投影完全地覆盖所述切割线在所述第一基板上的正投影。
  2. 根据权利要求1所述的显示面板的母板，其中，所述封框胶在所述第一基板上的正投影包括角部，所述角部的外边缘具有直角形状。
  3. 根据权利要求1所述的显示面板的母板，其中，所述封框胶在所述第一基板上的正投影包括角部，所述角部的外边缘具有弧形形状。
  4. 根据权利要求2或3所述的显示面板的母板，其中，所述切割线包括至少两条子切割线，所述至少两条子切割线相交于交点，所述交点在所述第一基板上的正投影被所述角部覆盖。
  5. 根据权利要求2或3所述的显示面板的母板，其中，所述封框胶在所述第一基板上的正投影具有基本上矩形的形状，所述封框胶在所述第一基板上的正投影包括内部边缘和外部边缘；所述切割线在所述第一基板上的正投影与所述外部边缘之间的距离为95～100μm。
  6. 根据权利要求2或3所述的显示面板的母板，还包括设置在所述第一基板上的对位标记，所述对位标记对应于所述角部并指示对位位置；
    所述对位标记包括排布呈阵列的多个子标记，相邻的子标记之间设置有间隔。
  7. 根据权利要求6所述的显示面板的母板，其中，所述切割线在所述第一基板上的正投影与所述子标记在所述第一基板上的正投影至少部分地交叠。
  8. 根据权利要求1所述的显示面板的母板，其中，所述封框胶的材料包括玻璃胶。
  9. 一种显示面板，所述显示面板由权利要求1-3、7和8任意一项所述的显示面板的母板沿着所述切割线切割后形成。
  10. 根据权利要求9所述的显示面板，其中，所述显示面板包括切 割角部，位于所述第一基板和第二基板之间且对应于所述切割角部的空间由所述封框胶完全地充满。
  11. 一种显示装置，包括如权利要求9或10所述的显示面板。
PCT/CN2018/087444 2017-05-19 2018-05-18 显示面板的母板、显示面板和显示装置 WO2018210328A1 (zh)

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