WO2019184146A1 - 一种显示面板及显示装置 - Google Patents

一种显示面板及显示装置 Download PDF

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Publication number
WO2019184146A1
WO2019184146A1 PCT/CN2018/095692 CN2018095692W WO2019184146A1 WO 2019184146 A1 WO2019184146 A1 WO 2019184146A1 CN 2018095692 W CN2018095692 W CN 2018095692W WO 2019184146 A1 WO2019184146 A1 WO 2019184146A1
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Prior art keywords
display area
display
area
display panel
external structure
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PCT/CN2018/095692
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English (en)
French (fr)
Inventor
郑自可
谢露露
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武汉华星光电技术有限公司
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Priority to US16/152,646 priority Critical patent/US10665618B2/en
Publication of WO2019184146A1 publication Critical patent/WO2019184146A1/zh

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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
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13452—Conductors connecting driver circuitry and terminals of panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
    • H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
    • H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
    • H01L23/4985—Flexible insulating substrates

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a display panel and a display device.
  • the display panel 11 includes a display area / non-display area 12 and display area 11 located in / around /; wherein the non-display region 12 / comprising IC IC contralateral region binding region (e.g., GOA binding region) 121/122 driver IC binding region / binding region and a driver IC 122/123 disposed opposite /.
  • IC IC contralateral region binding region e.g., GOA binding region
  • the technical problem to be solved by the embodiments of the present invention is to provide a display panel and a display device, which are used to reduce the area of the driving IC binding area on the display panel by binding the driving IC to the external structure to increase the display panel. Screen ratio.
  • an embodiment of the present invention provides a display panel including a substrate, wherein a display area and a non-display area are formed on the substrate, wherein a metal trace is disposed on one side of the non-display area.
  • An integrated circuit in the non-display area is electrically connected to an external structure integrated with a driving IC for driving the display area by driving an integrated circuit in the non-display area through the external structure integrated with the driving IC .
  • the non-display area accommodates a metal trace near the outer structure side with a width of 3 mm.
  • the area ratio of the display area to the non-display area is 37:3.
  • the metal structure of the non-display area connected to the external structure is connected by binding.
  • the integrated circuit in the non-display area is a gate driving circuit.
  • the external structure is a COF structure.
  • the substrate is a glass substrate.
  • an embodiment of the present invention further provides another display panel, comprising: a substrate on which a display area and a non-display area are formed; wherein a metal trace is disposed on one side of the non-display area Electrically connecting an integrated circuit in the non-display area with an external structure integrated with a driver IC for driving the display by driving an integrated circuit in the non-display area through the external structure integrated with the driver IC Area;
  • non-display area accommodates a metal trace adjacent to the outer structure side with a width of 3 mm;
  • the metal structure of the non-display area connected to the external structure is connected by binding.
  • the area ratio of the display area to the non-display area is 37:3.
  • the integrated circuit in the non-display area is a gate driving circuit.
  • the external structure integrated with the driving IC is a COF structure.
  • the substrate is a glass substrate.
  • the embodiment of the present invention further provides a display device, comprising: a display panel; the display panel includes a substrate, and the substrate is formed with a display area and a non-display area; wherein, the non-display area Providing a metal trace on one side to electrically connect the integrated circuit in the non-display area with an external structure integrated with the driver IC for driving the non-display area through the external structure integrated with the driver IC An integrated circuit to illuminate the display area.
  • the non-display area accommodates a metal trace near the outer structure side with a width of 3 mm.
  • the area ratio of the display area to the non-display area is 37:3.
  • the metal structure of the non-display area connected to the external structure is connected by binding.
  • the integrated circuit in the non-display area is a gate driving circuit.
  • the external structure integrated with the driving IC is a COF structure.
  • the substrate is a glass substrate.
  • the embodiment of the present invention has the following beneficial effects: Compared with the conventional display panel, the present invention integrates the integrated circuit in the non-display area of the display panel by pulling out the metal wire because the driving IC is integrated on the external structure.
  • the external structure of the driver IC can also illuminate the display area after the electrical connection, thereby reducing the area occupied by the driving IC on the display panel, and increasing the area ratio of the display panel by reducing the area of the display panel (ie, the proportion of the display area) ).
  • FIG. 1 is a cross-sectional view showing a planar structure of a display panel in the prior art
  • FIG. 2 is a cross-sectional view showing a connection between a display panel and a flexible circuit board in the prior art
  • FIG. 3 is a cross-sectional view showing a planar structure of a display panel according to Embodiment 1 of the present invention.
  • FIG. 4 is a cross-sectional view showing a connection between a display panel and a flexible circuit board according to Embodiment 1 of the present invention
  • FIG. 5 is a comparison diagram of ratios of respective regions when the display panel and the display panel of the prior art are both 5.5 inches.
  • a display panel includes a substrate 1 on which a display area 11 and a non-display area 12 are formed; wherein, the non-display area 12 A metal trace on one side electrically connects the integrated circuit in the non-display area 12 with the external structure D integrated with the driver IC for driving the integrated circuit in the non-display area 12 through the external structure D integrated with the driver IC. To light up the display area 11.
  • the driver IC and the integrated circuit mounted in the non-display area 12 are also connected by metal traces. Because the display panel in the first embodiment of the present invention integrates the original driver IC into the external structure D, the original area for binding the driver IC on the display panel can save the occupied area of the driver IC, and only needs to be satisfied.
  • the area of the metal trace can be. It can be seen that the area saved by the area for binding the driving IC is used as the area of the display area 1, and the display area of the display area 11 can be effectively increased, that is, the screen ratio is increased.
  • the area originally used to bind the driver IC is 5 mm from the edge of the display area 11, and after the driver IC is bound to the external structure D, the area originally used for binding the driver IC (for metal only)
  • the route is 3 mm from the edge of the display area 11, that is, the width of the non-display area 12 in the metal trace adjacent to the external structure D side is 3 mm.
  • the non-display area 12 also needs to retain non-reducible areas, such as the integrated circuit binding area 121, the IC opposite side area 123, and the like.
  • the substrate 1 includes, but is not limited to, a glass substrate.
  • the screen ratio of the display panel is 92.5%, that is, the area ratio of the display area 11 is 92.5%, and the area ratio of the non-display area 12 is 7.5%, and the ratio of the two is 37:3.
  • the external structure D integrated with the driving IC and the metal traces of the non-display area 12 connected thereto are connected by binding, which is advantageous for the process.
  • the driver IC includes a gate signal source IC that supplies a gate signal and a data signal source IC that supplies a data signal.
  • the integrated circuit in the non-display area 12 is a gate driving circuit (GOA) for lighting the display area 11.
  • GAA gate driving circuit
  • the external structure D integrated with the driving IC is a COF structure. It should be noted that the side of the COF structure away from the display panel should be provided with a binding area for connection with the flexible circuit board F (shown in FIG. 4).
  • the COF mode of the external structure D integrated driver IC is specifically that the driver IC is fixed on the flexible circuit board by the die-film structure technology, and usually ACF (isotropic conductive film) is used as the medium for binding.
  • the display panel of the display panel of the first embodiment of the present invention is compared. Compared with 92.5%> the screen of the display panel in the prior art accounts for 91%.
  • the second embodiment of the present invention provides a display device, including the display panel in the first embodiment of the present invention, and has the same structure as the display panel in the first embodiment of the present invention.
  • a display device including the display panel in the first embodiment of the present invention, and has the same structure as the display panel in the first embodiment of the present invention.
  • the implementation of the embodiments of the present invention has the following beneficial effects: Compared with the conventional display panel, the present invention integrates the non-display area in the display panel by pulling out the metal wire because the driving IC is integrated on the external structure.
  • the circuit can also illuminate the display area after being electrically connected to the external structure integrated with the driver IC, thereby reducing the area occupied by the driving IC on the display panel, and increasing the area ratio of the display panel by increasing the area of the display panel (ie, displaying The proportion of the district).

Abstract

一种显示面板，包括基板（1），基板（1）上形成有显示区（11）和非显示区（12）；其中，非显示区（12）的一侧上设有金属走线将非显示区（12）内的集成电路与集成有驱动IC的外部结构（D）实现电连接，用以通过集成有驱动IC的外部结构（D）驱动非显示区内（12）的集成电路来点亮显示区（11）。通过将驱动IC绑定在外部结构（D）上，用以减少显示面板上驱动IC绑定区的区域面积来增加显示面板的屏占比。

Description

一种显示面板及显示装置
本申请要求于2018年3月29日提交中国专利局、申请号为201810271688.5、发明名称为“一种显示面板及显示装置”的中国专利申请的优先权，上述专利的全部内容通过引用结合在本申请中。
技术领域
本发明涉及显示技术领域，尤其涉及一种显示面板及显示装置。
背景技术
在当今信息社会，显示器已经广泛应用于我们生活的各个方面，从小尺寸的手机、摄像机、数码相机，中尺寸的笔记本电脑、台式机，大尺寸的家用电视到大型投影设备等。
随着对显示面板的屏占比要求越来越高，使得导入窄边框的要求也越来越高。如图1和图2所示，显示面板和柔性电路板F /相连，该显示面板包括显示区11 /以及分布在显示区11 /周围的非显示区12 /；其中，非显示区12 /包括集成电路绑定区(如GOA绑定区)121 /、驱动IC绑定区122 /以及与驱动IC绑定区122 /相对设置的IC对侧区123 /。由于GOA绑定区121 /和IC对侧区123 /已经无法再缩减，因此为了实现窄边框的设计要求，需要减少驱动IC绑定区122 /的区域面积来增加显示面板的屏占比。
发明内容
本发明实施例所要解决的技术问题在于，提供一种显示面板及显示装置，通过将驱动IC绑定在外部结构上，用以减少显示面板上驱动IC绑定区的区域面积来增加显示面板的屏占比。
为了解决上述技术问题，本发明实施例提供了一种显示面板，包括基板， 所述基板上形成有显示区和非显示区；其中，所述非显示区的一侧上设有金属走线将所述非显示区内的集成电路与集成有驱动IC的外部结构实现电连接，用以通过所述集成有驱动IC的外部结构驱动所述非显示区内的集成电路来点亮所述显示区。
其中，所述非显示区上容纳靠近所述外部结构侧金属走线的宽度为3mm。
其中，所述显示区与所述非显示区的面积比为37：3。
其中，所述外部结构与其对应连接的非显示区的金属走线通过绑定实现连接。
其中，所述非显示区内的集成电路为栅极驱动电路。
其中，所述外部结构为COF结构。
其中，所述基板为玻璃基板。
相应的，本发明实施例还提供了另一种显示面板，其中，包括基板，所述基板上形成有显示区和非显示区；其中，所述非显示区的一侧上设有金属走线将所述非显示区内的集成电路与集成有驱动IC的外部结构实现电连接，用以通过所述集成有驱动IC的外部结构驱动所述非显示区内的集成电路来点亮所述显示区；
其中，所述非显示区上容纳靠近所述外部结构侧金属走线的宽度为3mm；
其中，所述外部结构与其对应连接的非显示区的金属走线通过绑定实现连接。
其中，所述显示区与所述非显示区的面积比为37：3。
其中，所述非显示区内的集成电路为栅极驱动电路。
其中，所述集成有驱动IC的外部结构为COF结构。
其中，所述基板为玻璃基板。
相应的，本发明实施例还提供了又一种显示装置，其中，包括显示面板；所述显示面板包括基板，所述基板上形成有显示区和非显示区；其中，所述非显示区的一侧上设有金属走线将所述非显示区内的集成电路与集成有驱动IC的外部结构实现电连接，用以通过所述集成有驱动IC的外部结构驱动所述非显示区内的集成电路来点亮所述显示区。
其中，所述非显示区上容纳靠近所述外部结构侧金属走线的宽度为3mm。
其中，所述显示区与所述非显示区的面积比为37：3。
其中，所述外部结构与其对应连接的非显示区的金属走线通过绑定实现连接。
其中，所述非显示区内的集成电路为栅极驱动电路。
其中，所述集成有驱动IC的外部结构为COF结构。
其中，所述基板为玻璃基板。
综上，本发明实施例具有如下有益效果：相对于传统的显示面板，本发明由于驱动IC集成在外部结构上，只需通过引出金属线将显示面板中非显示区内的集成电路与集成有驱动IC的外部结构实现电连接后也能点亮显示区，从而减少了显示面板上驱动IC占用的区域，用以将减少的区域面积来增加显示面板的屏占比(即显示区的占比)。
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为现有技术中显示面板的平面结构剖视图；
图2为现有技术中显示面板与柔性电路板的连接剖视图；
图3为本发明实施例一提供的显示面板的平面结构剖视图；
图4为本发明实施例一提供的显示面板与柔性电路板的连接剖视图；
图5为本发明实施例一提供的显示面板与现有技术中显示面板均为5.5英寸时各个区域占比的对比图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚，下面将结合附图对本发明作进一步地详细描述。
如图3和图4所示，为本发明实施例一中，提供的一种显示面板，包括基板1，该基板1上形成有显示区11和非显示区12；其中，非显示区12的一侧上设有金属走线将非显示区12内的集成电路与集成有驱动IC的外部结构D实现电连接，用以通过集成有驱动IC的外部结构D驱动非显示区12内的集成电路来点亮显示区11。
应当说明的是，在传统的显示面板上，安装在非显示区12中的驱动IC与集成电路也会通过金属走线连接。由于本发明实施例一中的显示面板，将原有的驱动IC集成到外部结构D上，因此显示面板上原有的用于绑定驱动IC的区域就可节省驱动IC的占用面积，只需满足金属走线的面积即可。由此可见，将用于绑定驱动IC的区域节省下来的面积作为显示区1的面积， 就能有效的增加了显示区11的显示面积，即增加了屏占比。
在一个实施例中，原有用于绑定驱动IC的区域距离显示区11的边缘5mm，而将驱动IC绑定到外部结构D后，则原有用于绑定驱动IC的区域(只用于金属走线)距离显示区11的边缘3mm，即非显示区12中容纳靠近外部结构D侧金属走线的宽度为3mm。
可以理解的是，非显示区12还需保留不可缩减的区域，如集成电路绑定区121、IC对侧区123等。基板1包括但不限于玻璃基板。
在本发明实施例一中，显示面板的屏占比92.5％，即显示区11面积占比为92.5％，非显示区12的面积占比为7.5％，二者的比例为37：3。
在本发明实施例一中，集成有驱动IC的外部结构D与其对应连接的非显示区12的金属走线通过绑定实现连接，这样有利于制程。应当说明的是，驱动IC包括提供栅极信号的栅极信号源IC和提供数据信号的数据信号源IC。
在本发明实施例一中，非显示区12内的集成电路为栅极驱动电路(GOA)，用于点亮显示区11。
在本发明实施例一中，集成有驱动IC的外部结构D为COF结构。应当说明的是，COF结构远离显示面板的一侧应设有与柔性电路板F(如图4所示)进行连接的绑定区。外部结构D集成驱动IC的COF方式具体为，通过晶粒软膜构装技术将驱动IC固定于柔性线路板上，通常采用ACF(异方性 导电胶膜)作为介质进行绑定。
如图5所示，将本发明实施例一提供的显示面板与现有技术中显示面板均为5.5英寸时各个区域占比进行对比，可以看出本发明实施例一提供的显示面板的屏占比92.5％>现有技术中显示面板的屏占比91％。
相应于本发明实施例一中的显示面板，本发明实施例二提供了一种显示装置，包括本发明实施例一中的显示面板，并具有与本发明实施例一中的显示面板相同的结构和连接关系，因此具体请参见本发明实施例一中的相关内容，在此不再一一赘述。
综上所述，实施本发明实施例，具有如下有益效果：相对于传统的显示面板，本发明由于驱动IC集成在外部结构上，只需通过引出金属线将显示面板中非显示区内的集成电路与集成有驱动IC的外部结构实现电连接后也能点亮显示区，从而减少了显示面板上驱动IC占用的区域，用以将减少的区域面积来增加显示面板的屏占比(即显示区的占比)。
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明，不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本发明的保护范围。

Claims (19)

  1. 一种显示面板，其中，包括基板，所述基板上形成有显示区和非显示区；其中，所述非显示区的一侧上设有金属走线将所述非显示区内的集成电路与集成有驱动IC的外部结构实现电连接，用以通过所述集成有驱动IC的外部结构驱动所述非显示区内的集成电路来点亮所述显示区。
  2. 如权利要求1所述的显示面板，其中，所述非显示区上容纳靠近所述外部结构侧金属走线的宽度为3mm。
  3. 如权利要求2所述的显示面板，其中，所述显示区与所述非显示区的面积比为37：3。
  4. 如权利要求3所述的显示面板，其中，所述外部结构与其对应连接的非显示区的金属走线通过绑定实现连接。
  5. 如权利要求4所述的显示面板，其中，所述非显示区内的集成电路为栅极驱动电路。
  6. 如权利要求5所述的显示面板，其中，所述集成有驱动IC的外部结构为COF结构。
  7. 如权利要求6所述的显示面板，其中，所述基板为玻璃基板。
  8. 一种显示面板，其中，包括基板，所述基板上形成有显示区和非显示区；其中，所述非显示区的一侧上设有金属走线将所述非显示区内的集成电路与集成有驱动IC的外部结构实现电连接，用以通过所述集成有驱动IC 的外部结构驱动所述非显示区内的集成电路来点亮所述显示区；
    其中，所述非显示区上容纳靠近所述外部结构侧金属走线的宽度为3mm；
    其中，所述外部结构与其对应连接的非显示区的金属走线通过绑定实现连接。
  9. 如权利要求8所述的显示面板，其中，所述显示区与所述非显示区的面积比为37：3。
  10. 如权利要求9所述的显示面板，其中，所述非显示区内的集成电路为栅极驱动电路。
  11. 如权利要求10所述的显示面板，其中，所述集成有驱动IC的外部结构为COF结构。
  12. 如权利要求11所述的显示面板，其中，所述基板为玻璃基板。
  13. 一种显示装置，其中，包括显示面板；所述显示面板包括基板，所述基板上形成有显示区和非显示区；其中，所述非显示区的一侧上设有金属走线将所述非显示区内的集成电路与集成有驱动IC的外部结构实现电连接，用以通过所述集成有驱动IC的外部结构驱动所述非显示区内的集成电路来点亮所述显示区。
  14. 如权利要求1所述的显示装置，其中，所述非显示区上容纳靠近所述外部结构侧金属走线的宽度为3mm。
  15. 如权利要求14所述的显示装置，其中，所述显示区与所述非显示区的面积比为37：3。
  16. 如权利要求15所述的显示装置，其中，所述外部结构与其对应连接的非显示区的金属走线通过绑定实现连接。
  17. 如权利要求16所述的显示装置，其中，所述非显示区内的集成电路为栅极驱动电路。
  18. 如权利要求17所述的显示装置，其中，所述集成有驱动IC的外部结构为COF结构。
  19. 如权利要求18所述的显示装置，其中，所述基板为玻璃基板。
PCT/CN2018/095692 2018-03-29 2018-07-13 一种显示面板及显示装置 WO2019184146A1 (zh)

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