WO2018219225A1 - 一种移动电子设备及其显示屏 - Google Patents

一种移动电子设备及其显示屏 Download PDF

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Publication number
WO2018219225A1
WO2018219225A1 PCT/CN2018/088426 CN2018088426W WO2018219225A1 WO 2018219225 A1 WO2018219225 A1 WO 2018219225A1 CN 2018088426 W CN2018088426 W CN 2018088426W WO 2018219225 A1 WO2018219225 A1 WO 2018219225A1
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WO
WIPO (PCT)
Prior art keywords
layer
display screen
film layer
electroluminescent
electroluminescent film
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PCT/CN2018/088426
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English (en)
French (fr)
Inventor
金修禄
陈燕文
童洪洁
李林芳
Original Assignee
Tcl通讯（宁波）有限公司
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Publication date
Application filed by Tcl通讯（宁波）有限公司 filed Critical Tcl通讯（宁波）有限公司
Priority to EP18810429.3A priority Critical patent/EP3633489A4/en
Priority to US16/617,472 priority patent/US11051411B2/en
Publication of WO2018219225A1 publication Critical patent/WO2018219225A1/zh

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Classifications

    • 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
    • G09F9/33—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 being semiconductor devices, e.g. diodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F23/00—Advertising on or in specific articles, e.g. ashtrays, letter-boxes
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00—Electroluminescent light sources
    • H05B33/02—Details
    • H05B33/04—Sealing arrangements, e.g. against humidity
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00—Electroluminescent light sources
    • H05B33/02—Details
    • H05B33/06—Electrode terminals
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10128—Display

Definitions

  • the invention relates to the technical field of electronic devices, in particular to a mobile electronic device and a display screen thereof.
  • Embodiments of the present invention provide a mobile electronic device and a display screen thereof, which solve the above problem by illuminating the periphery of the display area by providing an electroluminescent film layer in a non-display area of the display screen.
  • an embodiment of the present invention provides a display screen including a display area and a non-display area surrounding the display area, the display screen further includes a main board, and the non-display area is covered with electroluminescence a film layer electrically connected to the main board.
  • the display screen comprises a display panel and a glass cover plate
  • the electroluminescent film layer is located between the display panel and the glass cover plate
  • the electroluminescent film layer comprises a display panel on the display panel. a first conductive layer, an electroluminescent layer, and a second conductive layer.
  • the material of the first conductive layer is silver paste
  • the material of the second conductive layer is indium tin oxide.
  • the silver paste and the indium tin oxide have good electrical conductivity, wherein the indium tin oxide has a high light transmittance, and the light generated by the electroluminescent layer is emitted through the second conductive layer.
  • the first conductive layer, the electroluminescent layer and the second conductive layer are formed by a printing process.
  • the layer structure of the electroluminescent film layer is formed by a printing process, the thickness of the electroluminescent film layer can be maintained at a small size, and the thickness of the mobile electronic device is hardly affected, so that the mobile electron The device can be kept light and thin.
  • a first insulating layer is further disposed between the first conductive layer and the display panel, and a second insulating layer is further disposed between the second conductive layer and the cover glass.
  • the first insulating layer and the second insulating layer are used to protect the first conductive layer, the electroluminescent layer, and the second conductive layer inside the electroluminescent film layer.
  • the material of the first insulating layer is an insulating coating
  • the material of the second insulating layer is an optical glue.
  • the optical glue has a high light transmittance, and the light generated by the electroluminescent layer is emitted through the second insulating layer.
  • a white ink layer is further disposed between the second insulating layer and the cover glass.
  • the white ink layer may block the color of the electroluminescent layer when the electroluminescent layer stops emitting light, and may serve as a light guiding function for concentrating light to the peripheral edges of the display area.
  • the electroluminescent film layer is provided with a escaping area for exposing the virtual button, the camera hole and the earpiece hole of the display screen.
  • one end of the electroluminescent film layer is provided with a first electrode pair, and the other end is provided with a second electrode pair, and the first electrode pair and the second electrode pair are electrically connected to the main board, respectively.
  • the electroluminescent film layer By providing electrode pairs at opposite ends of the electroluminescent film layer, it is possible to prevent the electroluminescent film layer on both sides of the mobile electronic device from being excessively resistant, resulting in uneven illumination.
  • an embodiment of the present invention provides a mobile electronic device, including a display screen, the display screen includes a display area and a non-display area surrounding the display area, and the display screen further includes a main board.
  • the non-display area is covered with an electroluminescent film layer, and the electroluminescent film layer is electrically connected to the main board.
  • the display screen comprises a display panel and a glass cover plate
  • the electroluminescent film layer is located between the display panel and the glass cover plate
  • the electroluminescent film layer comprises a display panel on the display panel. a first conductive layer, an electroluminescent layer, and a second conductive layer.
  • the material of the first conductive layer is silver paste, and the material of the second conductive layer is indium tin oxide.
  • the first conductive layer, the electroluminescent layer and the second conductive layer are formed by a printing process.
  • a first insulating layer is further disposed between the first conductive layer and the display panel, and a second insulating layer is further disposed between the second conductive layer and the cover glass.
  • the material of the first insulating layer is an insulating coating
  • the material of the second insulating layer is an optical glue
  • a white ink layer is further disposed between the second insulating layer and the cover glass.
  • the electroluminescent film layer is provided with a escaping area for exposing the virtual button, the camera hole and the earpiece hole of the display screen.
  • one end of the electroluminescent film layer is provided with a first electrode pair, and the other end is provided with a second electrode pair, and the electroluminescent film layer is electrically connected by the first electrode pair and the second electrode pair respectively. Connect to the motherboard.
  • an embodiment of the present invention provides a display screen including a display area and a non-display area surrounding the display area, the display screen further includes a main board, wherein the non-display area is overlaid An electroluminescent film layer, the electroluminescent film layer is electrically connected to the main board, and the electroluminescent film layer has a thickness of 0.1 mm or less;
  • the display screen further includes a display panel and a cover glass, the electroluminescent film layer is located between the display panel and the cover glass, and the electroluminescent film layer is sequentially disposed on the display panel. a first conductive layer, an electroluminescent layer, and a second conductive layer.
  • the electroluminescent film layer is provided with a first electrode pair at one end of the virtual button, and a second electrode pair is disposed at the other end of the camera hole and the earpiece hole, and the electroluminescent film layer passes through the An electrode pair and a second electrode pair are electrically connected to the main board, respectively.
  • a mobile electronic device and a display screen thereof are provided by illuminating an edge of the display area by providing an electroluminescent film layer in a non-display area of the display screen, thereby reducing or even eliminating the display screen
  • the black border improves the screen ratio of the mobile electronic device and improves the user experience.
  • FIG. 1 is a schematic structural diagram of a mobile electronic device according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a display screen according to an embodiment of the present invention.
  • an embodiment of the present invention provides a mobile electronic device.
  • the mobile electronic device includes a display screen including a display area 101 and a non-display area 102 surrounding the display area 101, the display screen further including a main board 1.
  • the dotted line frame in FIG. 1 represents that the main board 1 is disposed inside the mobile electronic device.
  • the non-display area 102 is covered with an electroluminescent film layer 2 , and the electroluminescent film layer 2 is electrically connected to the main board 1 .
  • the main board 1 is used to drive the electroluminescent film layer 2.
  • the electroluminescent film layer 2 is used to illuminate the periphery of the display area 101, thereby achieving the purpose of reducing or even eliminating the black border generated by the display screen.
  • the display screen includes a display panel 3 and a cover glass 4, the electroluminescent film layer 2 is located between the display panel 3 and the cover glass 4, and the electroluminescent film layer 2 includes sequentially The first conductive layer 21, the electroluminescent layer 22, and the second conductive layer 23 on the display panel 3.
  • An electroluminescent material is a material that directly converts electrical energy into light energy by excitation of a current or an electric field under the action of a direct current or an alternating electric field.
  • an electroluminescent layer 22 made of an electroluminescent material is applied.
  • the electroluminescent film layer 2 has an advantage of uniform light distribution, low power consumption, and uniform heat generation.
  • the electroluminescent layer 22 may be formed of different colors of electroluminescent materials or formed into different patterns according to actual needs, and disposed between the display panel 3 and the cover glass 4.
  • a first insulating layer 24 is further disposed between the first conductive layer 21 and the display panel 3, and a second insulating layer is further disposed between the second conductive layer 23 and the glass cover 4 25.
  • the electroluminescent film layer 2 is configured to protect the first conductive layer 21, the electroluminescent layer 22, and the second inside the electroluminescent film layer 2 by providing the first insulating layer 24 and the second insulating layer 25.
  • Conductive layer 23 is configured to protect the first conductive layer 21, the electroluminescent layer 22, and the second inside the electroluminescent film layer 2 by providing the first insulating layer 24 and the second insulating layer 25.
  • a white ink layer 41 is further disposed between the second insulating layer 25 and the cover glass 4, and in the embodiment, the white ink layer 41 is used in the electroluminescent film layer.
  • the first conductive layer 21, the electroluminescent layer 22, and the second conductive layer 23 are formed by a printing process.
  • the above structure for preparing the electroluminescent film layer 2 by a printing process enables the thickness of the electroluminescent film layer 2 to be maintained at a small size with little influence on the thickness of the mobile electronic device, so that the mobile electronic device Can maintain light and thin.
  • the thickness of the electroluminescent film layer 2 can be 0.1 mm or less.
  • the material of the first conductive layer 21 is silver paste
  • the material of the second conductive layer 23 is indium tin oxide.
  • the silver paste material used in the first conductive layer 21 is a viscous slurry of a mechanical mixture composed of high-purity metallic silver particles, a binder, a solvent, and an auxiliary agent, and has good electrical conductivity. It is suitable for use as the conductive layer of this embodiment. Since the second conductive layer 23 is disposed above the electroluminescent layer 22, it is necessary to use a material having both good conductivity and high light transmittance so that the light of the electroluminescent layer 22 can pass through. The second conductive layer 23 is irradiated.
  • the indium tin oxide used in the second conductive layer 23 in the embodiment has good electrical conductivity and high light transmittance, and facilitates the light generated by the electroluminescent layer 22 to pass through the second.
  • the conductive layer 23 is emitted.
  • the material of the first insulating layer 24 is an insulating coating coated on the surface of the first conductive layer 21, and the material of the second insulating layer 25 is an optical glue disposed on the second conductive layer.
  • the second insulating layer 25 is disposed above the electroluminescent layer 22, it is necessary to use a material having both good insulating properties and high light transmittance so that the electroluminescent layer 22 is Light is transmitted through the second insulating layer 25, and the optical adhesive used in the second insulating layer 25 has high light transmittance and insulating properties, which is favorable for light transmission by the electroluminescent layer 22.
  • the second insulating layer 25 is emitted.
  • the electroluminescent film layer 2 is provided with a escaping area for exposing the virtual button, the camera hole and the earpiece hole of the display screen, so as to prevent the electroluminescent film layer 2 from affecting the normal operation of the device. .
  • one end of the electroluminescent film layer 2 is provided with a first electrode pair 261, and the other end is provided with a second electrode pair 262 through which the electroluminescent film layer 2 passes.
  • An electrode pair 261 and a second electrode pair 262 are electrically connected to the main board 1 respectively.
  • the electroluminescent film layer 2 is provided with a first electrode pair 261 at one end of the virtual button, and a second electrode pair 262 is disposed at the other end of the camera hole and the earpiece hole.
  • the first electrode pair 261 and the second electrode pair 262 are silver paste pads or copper pads, and the first electrode pair 261 and the second electrode pair 262 are respectively connected by conductive foam or through a conductive cloth.
  • the silver paste and the metal copper material used above have good electrical conductivity and are suitable for the electrode of the electroluminescent film layer 2, and the conductive cloth and the conductive foam have the same good conductivity and flexibility. Suitable for electrical connection.
  • the mobile electronic device and the display screen thereof illuminate the periphery of the display area 101 by arranging the electroluminescent film layer 2 in the non-display area 102 of the display screen, thereby reducing even Eliminating the black border generated by the display screen improves the screen ratio of the mobile electronic device and improves the user experience.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electroluminescent Light Sources (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

本发明公开了一种显示屏，包括显示区和围绕在所述显示区四周的非显示区，所述显示屏还包括主板，非显示区上覆设有电致发光膜层，所述电致发光膜层电性连接至所述主板。本发明通过在显示屏的非显示区设置电致发光膜层来照亮显示区的四周，从而减少甚至消除显示屏的黑色边框，提高了移动电子设备的屏占比，改善了用户体验。

Description

一种移动电子设备及其显示屏
本申请要求于2017年5月27日提交中国专利局、申请号为201710391157.5、发明名称为“一种移动电子设备及其显示屏”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及电子设备技术领域，尤其是一种移动电子设备及其显示屏。
 背景技术
目前市面上的手机和平板电脑等一类移动电子设备，由于需要用黑色油墨遮盖显示屏的走线，造成了显示屏的显示区四周的边缘形成有一周的黑色边框，该黑色边框不但降低了显示区的屏占比，而且还影响了移动电子设备的外观，该黑色边框不符合当前用户为追求更高的视觉体验，要求设备的显示区更大，屏占比更高的发展趋势。
因此，有必要提供一种可以解决上述黑色边框问题的方案。
 技术问题
本发明实施例提供一种移动电子设备及其显示屏，通过在显示屏的非显示区设置电致发光膜层来照亮所述显示区的四周来解决上述问题。
 技术解决方案
第一方面，本发明实施例提供一种显示屏，包括显示区和围绕在所述显示区四周的非显示区，所述显示屏还包括主板，所述非显示区上覆设有电致发光膜层，所述电致发光膜层电性连接至所述主板。
优选地，所述显示屏包括显示面板和玻璃盖板，所述电致发光膜层位于所述显示面板和玻璃盖板之间，所述电致发光膜层包括依次设置于所述显示面板上的第一导电层、电致发光层以及第二导电层。
优选地，所述第一导电层的材料为银浆，所述第二导电层的材料为氧化铟锡。银浆和氧化铟锡具有良好的导电性能，其中，氧化铟锡具有较高的透光率，有利于所述电致发光层产生的光透过所述第二导电层射出。
优选地，所述第一导电层、电致发光层以及第二导电层通过印刷工艺制备形成。采用印刷工艺制作所述电致发光膜层的各层结构，能使所述电致发光膜层的厚度维持在较小的尺寸，几乎不影响所述移动电子设备的厚度，使所述移动电子设备能维持轻薄化。
优选地，所述第一导电层和所述显示面板之间还设置有第一绝缘层，所述第二导电层和所述玻璃盖板之间还设置有第二绝缘层。所述第一绝缘层和第二绝缘层用于保护所述电致发光膜层内部的第一导电层、电致发光层以及第二导电层。
优选地，所述第一绝缘层的材料为绝缘涂料，所述第二绝缘层的材料为光学胶。光学胶具有较高的透光率，有利于所述电致发光层产生的光透过所述第二绝缘层射出。
优选地，所述第二绝缘层和所述玻璃盖板之间还设置有白色油墨层。所述白色油墨层可以在所述电致发光层停止发光时，遮挡所述电致发光层的颜色，同时可以起到将光线集中到所述显示区的四周边缘的导光作用。
优选地，所述电致发光膜层上设置有避让区，用于暴露出所述显示屏的虚拟按键、摄像头孔和听筒孔。
优选地，所述电致发光膜层的一端设置有第一电极对，另一端设置有第二电极对，所述第一电极对和第二电极对分别电性连接到所述主板。通过在所述电致发光膜层相对的两端设置电极对，能避免所述移动电子设备两侧边上的电致发光膜层阻抗过大，导致发光不均匀。
第二方面，本发明实施例提供了一种移动电子设备，其中，包括显示屏，所述显示屏包括显示区和围绕在所述显示区四周的非显示区，所述显示屏还包括主板，其中，所述非显示区上覆设有电致发光膜层，所述电致发光膜层电性连接至所述主板。
优选地，所述显示屏包括显示面板和玻璃盖板，所述电致发光膜层位于所述显示面板和玻璃盖板之间，所述电致发光膜层包括依次设置于所述显示面板上的第一导电层、电致发光层以及第二导电层。
优选地，所述第一导电层的材料为银浆，所述第二导电层的材料为氧化铟锡。
优选地，所述第一导电层、电致发光层以及第二导电层通过印刷工艺制备形成。
优选地，所述第一导电层和所述显示面板之间还设置有第一绝缘层，所述第二导电层和所述玻璃盖板之间还设置有第二绝缘层。
优选地，所述第一绝缘层的材料为绝缘涂料，所述第二绝缘层的材料为光学胶。
优选地，所述第二绝缘层和所述玻璃盖板之间还设置有白色油墨层。
优选地，所述电致发光膜层上设置有避让区，用于暴露出所述显示屏的虚拟按键、摄像头孔和听筒孔。
优选地，所述电致发光膜层的一端设置有第一电极对，另一端设置有第二电极对，所述电致发光膜层通过所述第一电极对和第二电极对分别电性连接到所述主板。
第三方面，本发明实施例提供了一种显示屏，包括显示区和围绕在所述显示区四周的非显示区，所述显示屏还包括主板，其中，所述非显示区上覆设有电致发光膜层，所述电致发光膜层电性连接至所述主板，所述电致发光膜层的厚度为0.1mm以下；
其中，所述显示屏还包括显示面板和玻璃盖板，所述电致发光膜层位于所述显示面板和玻璃盖板之间，所述电致发光膜层包括依次设置于所述显示面板上的第一导电层、电致发光层以及第二导电层。
优选地，所述电致发光膜层在虚拟按键所在的一端设置第一电极对，并在摄像头孔以及听筒孔所在的另一端设置第二电极对，所述电致发光膜层通过所述第一电极对和第二电极对分别电性连接到所述主板。
 有益效果
本发明实施例提供的一种移动电子设备及其显示屏，通过在显示屏的非显示区设置电致发光膜层来照亮所述显示区的边缘，从而减少甚至消除所述显示屏产生的黑色边框，提高了所述移动电子设备的屏占比，改善了用户体验。
 附图说明
图1是本发明实施例提供的移动电子设备的结构示意图；
图2是本发明实施例提供的显示屏的结构示意图。
 本发明的最佳实施方式
为使本发明的目的、技术方案和优点更加清楚，下面结合附图对本发明的具体实施方式进行详细说明。这些优选实施方式的示例在附图中进行了例示。附图中所示和根据附图描述的本发明的实施方式仅仅是示例性的，并且本发明并不限于这些实施方式。
在此，还需要说明的是，为了避免因不必要的细节而模糊了本发明，在附图中仅仅示出了与根据本发明的方案密切相关的结构和/或处理步骤，而省略了关系不大的其他细节。
参阅图1和图2，本发明实施例提供了一种移动电子设备。如图1所示，所述移动电子设备包括显示屏，所述显示屏包括显示区101和围绕在所述显示区101四周的非显示区102，所述显示屏还包括主板1。需要说明的是，图1中的虚线框代表所述主板1设置于所述移动电子设备的内部。
在本实施例中，如图2所示，所述非显示区102上覆设有电致发光膜层2，所述电致发光膜层2电性连接至所述主板1。所述主板1用于驱动所述电致发光膜层2。所述电致发光膜层2用于照亮所述显示区101的四周，从而达到减小甚至消除所述显示屏产生的黑色边框的目的。
具体地，所述显示屏包括显示面板3和玻璃盖板4，所述电致发光膜层2位于所述显示面板3和玻璃盖板4之间，所述电致发光膜层2包括依次设置于所述显示面板3上的第一导电层21、电致发光层22以及第二导电层23。电致发光材料，是在直流或交流电场作用下，依靠电流和电场的激发，将电能直接转换成光能的材料，本实施例中，将电致发光材料制成的电致发光层22应用到所述电致发光膜层2中，作为所述电致发光膜层2的光源使用，其具有光分布均匀、功耗小以及发热均匀的优点。在本实施例中，根据实际需求，所述电致发光层22可采用不同颜色的电致发光材料，或者形成不同的图案，设置到所述显示面板3和玻璃盖板4之间。
进一步地，所述第一导电层21和所述显示面板3之间还设置有第一绝缘层24，所述第二导电层23和所述玻璃盖板4之间还设置有第二绝缘层25。所述电致发光膜层2通过设置所述第一绝缘层24和第二绝缘层25用于保护所述电致发光膜层2内部的第一导电层21、电致发光层22以及第二导电层23。
更进一步地，所述第二绝缘层25和所述玻璃盖板4之间还设置有白色油墨层41，在本实施例中，所述白色油墨层41用于在所述电致发光膜层2停止工作时，遮挡住所述电致发光层22的颜色，同时可以起到将光线集中到所述显示区101的四周的导光作用，从而提高所述电致发光膜层2消除所述显示屏产生的黑色边框的效果。
在本实施例中，所述第一导电层21、电致发光层22以及第二导电层23通过印刷工艺制备形成。采用印刷工艺制备电致发光膜层2的上述结构，能使所述电致发光膜层2的厚度维持在较小的尺寸，几乎不影响所述移动电子设备的厚度，使所述移动电子设备能维持轻薄化。在本实施例中，所述电致发光膜层2的厚度能达到0.1mm以下。
示例性地，在本实施例中，所述第一导电层21的材料为银浆，所述第二导电层23的材料为氧化铟锡。所述第一导电层21采用的银浆材料，是由高纯度金属银的微粒、粘合剂、溶剂、助剂所组成的一种机械混和物的粘稠状的浆料，其导电性良好，适用于作本实施例的导电层。而所述第二导电层23由于设置在所述电致发光层22的上方，因此需要采用同时具备良好导电性以及较高透光率的材料，以便所述电致发光层22的光透过所述第二导电层23照射出。示例性地，本实施例中的第二导电层23采用的氧化铟锡具有良好的导电性能和较高的透光率，有利于所述电致发光层22产生的光透过所述第二导电层23射出。
示例性地，所述第一绝缘层24的材料为绝缘涂料，涂覆在所述第一导电层21的表面，所述第二绝缘层25的材料为光学胶，设置在所述第二导电层23上。同理地，由于所述第二绝缘层25设置在所述电致发光层22的上方，因此需要采用同时具备良好绝缘性能以及较高透光率的材料，以便所述电致发光层22的光透过所述第二绝缘层25照射出，而所述第二绝缘层25采用的光学胶具有较高的透光率和绝缘性能，有利于所述电致发光层22产生的光透过所述第二绝缘层25射出。
进一步地，所述电致发光膜层2上设置有避让区，用于暴露出所述显示屏的虚拟按键、摄像头孔和听筒孔，以免所述电致发光膜层2影响上述器件的正常工作。
如图1所示，更进一步地，所述电致发光膜层2的一端设置有第一电极对261，另一端设置有第二电极对262，所述电致发光膜层2通过所述第一电极对261和第二电极对262分别电性连接到所述主板1。在本实施例中，所述电致发光膜层2在所述虚拟按键所在的一端设置第一电极对261，并在摄像头孔以及听筒孔所在的另一端设置第二电极对262。通过设置所述第一电极对261和第二电极对262，能避免所述移动电子设备两侧边上的电致发光膜层2的阻抗过大，导致发光不均匀。
具体地，所述第一电极对261和第二电极对262为银浆焊盘或铜焊盘，所述第一电极对261和第二电极对262分别通过导电泡棉或通过导电布连接到所述主板1。上述采用的银浆和金属铜材料具有良好的导电性，适于制作所述电致发光膜层2的电极，而所述导电布和导电泡棉的导电性同样良好，而且具有柔韧性，十分适用于电性连接用。
综上所述，根据本发明实施例提供的移动电子设备及其显示屏，通过在显示屏的非显示区102设置电致发光膜层2来照亮所述显示区101的四周，从而减少甚至消除所述显示屏产生的黑色边框，提高了所述移动电子设备的屏占比，改善了用户体验。
需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
以上所述仅是本申请的具体实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本申请原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本申请的保护范围。

Claims (20)

  1. 一种显示屏，包括显示区和围绕在所述显示区四周的非显示区，所述显示屏还包括主板，其中，所述非显示区上覆设有电致发光膜层，所述电致发光膜层电性连接至所述主板。
  2. 根据权利要求1所述的显示屏，其中，所述显示屏包括显示面板和玻璃盖板，所述电致发光膜层位于所述显示面板和玻璃盖板之间，所述电致发光膜层包括依次设置于所述显示面板上的第一导电层、电致发光层以及第二导电层。
  3. 根据权利要求2所述的显示屏，其中，所述第一导电层的材料为银浆，所述第二导电层的材料为氧化铟锡。
  4. 根据权利要求2所述的显示屏，其中，所述第一导电层、电致发光层以及第二导电层通过印刷工艺制备形成。
  5. 根据权利要求2所述的显示屏，其中，所述第一导电层和所述显示面板之间还设置有第一绝缘层，所述第二导电层和所述玻璃盖板之间还设置有第二绝缘层。
  6. 根据权利要求5所述的显示屏，其中，所述第一绝缘层的材料为绝缘涂料，所述第二绝缘层的材料为光学胶。
  7. 根据权利要求5所述的显示屏，其中，所述第二绝缘层和所述玻璃盖板之间还设置有白色油墨层。
  8. 根据权利要求1所述的显示屏，其中，所述电致发光膜层上设置有避让区，用于暴露出所述显示屏的虚拟按键、摄像头孔和听筒孔。
  9. 根据权利要求1所述的显示屏，其中，所述电致发光膜层的一端设置有第一电极对，另一端设置有第二电极对，所述电致发光膜层通过所述第一电极对和第二电极对分别电性连接到所述主板。
  10. 一种移动电子设备，其中，包括显示屏，所述显示屏包括显示区和围绕在所述显示区四周的非显示区，所述显示屏还包括主板，其中，所述非显示区上覆设有电致发光膜层，所述电致发光膜层电性连接至所述主板。
  11. 根据权利要求10所述的移动电子设备，其中，所述显示屏包括显示面板和玻璃盖板，所述电致发光膜层位于所述显示面板和玻璃盖板之间，所述电致发光膜层包括依次设置于所述显示面板上的第一导电层、电致发光层以及第二导电层。
  12. 根据权利要求11所述的移动电子设备，其中，所述第一导电层的材料为银浆，所述第二导电层的材料为氧化铟锡。
  13. 根据权利要求11所述的移动电子设备，其中，所述第一导电层、电致发光层以及第二导电层通过印刷工艺制备形成。
  14. 根据权利要求11所述的移动电子设备，其中，所述第一导电层和所述显示面板之间还设置有第一绝缘层，所述第二导电层和所述玻璃盖板之间还设置有第二绝缘层。
  15. 根据权利要求14所述的移动电子设备，其中，所述第一绝缘层的材料为绝缘涂料，所述第二绝缘层的材料为光学胶。
  16. 根据权利要求14所述的移动电子设备，其中，所述第二绝缘层和所述玻璃盖板之间还设置有白色油墨层。
  17. 根据权利要求10所述的移动电子设备，其中，所述电致发光膜层上设置有避让区，用于暴露出所述显示屏的虚拟按键、摄像头孔和听筒孔。
  18. 根据权利要求10所述的移动电子设备，其中，所述电致发光膜层的一端设置有第一电极对，另一端设置有第二电极对，所述电致发光膜层通过所述第一电极对和第二电极对分别电性连接到所述主板。
  19. 一种显示屏，包括显示区和围绕在所述显示区四周的非显示区，所述显示屏还包括主板，其中，所述非显示区上覆设有电致发光膜层，所述电致发光膜层电性连接至所述主板，所述电致发光膜层的厚度为0.1mm以下；
    其中，所述显示屏还包括显示面板和玻璃盖板，所述电致发光膜层位于所述显示面板和玻璃盖板之间，所述电致发光膜层包括依次设置于所述显示面板上的第一导电层、电致发光层以及第二导电层。
  20. 根据权利要求19所述的显示屏，其中，所述电致发光膜层在虚拟按键所在的一端设置第一电极对，并在摄像头孔以及听筒孔所在的另一端设置第二电极对，所述电致发光膜层通过所述第一电极对和第二电极对分别电性连接到所述主板。
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