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Flexible display panel and flexible display apparatus

A flexible display and panel technology, used in semiconductor devices, electrical components, photovoltaic power generation, etc., can solve problems such as easy disconnection, and achieve the effect of ensuring bending performance and good flexibility

Active Publication Date: 2017-11-03
SHANGHAI TIANMA MICRO ELECTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Embodiments of the present invention provide a flexible display panel and a flexible display device, which are used to solve the problem in the prior art that the welding area is prone to disconnection risk during bending

Method used

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  • Flexible display panel and flexible display apparatus
  • Flexible display panel and flexible display apparatus
  • Flexible display panel and flexible display apparatus

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Embodiment Construction

[0017] The specific implementation manners of the flexible display panel and the flexible display device provided by the embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0018] The thickness and area shape of each layer of film in the drawings do not reflect the true proportion of the flexible display panel, but are only intended to schematically illustrate the content of the present invention.

[0019] At present, the existing OLED display devices, such as figure 1 As shown, it generally includes: a base substrate 001 having a display area a and a pad area b, a plurality of display elements 002 arranged on the display area a of the base substrate 001, and a flexible printed circuit connected to the pad area b on one side board 003 (FPC), a printed circuit board 004 (PCB) connected to the other side of the flexible printed circuit board 003, and an adhesive disposed on the pad area b and covering one side of ...

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Abstract

The invention discloses a flexible display panel and a flexible display apparatus. The flexible display panel comprises a flexible substrate with a display region and a bonding pad region, and multiple display elements arranged on the display region of the flexible substrate. The display region and the bonding pad region of the whole flexible substrate are covered with a protection film, and a bonding layer is directly arranged in the space between the protection film and the display elements and in the space between the binding region of the flexible substrate and the protection film separately, only single adhesive exists in the welding region between the flexible substrate and the protection film; when the flexible display panel is bent under stress, it is ensured that a strain neutral layer in the welding region of the flexible display panel can be positioned in the bonding layer, so that the risk of line breaking caused by cracks of a signal trace in the welding region due to overhigh stress can be avoided; and by virtue of the bonding layer, the elasticity modulus can be controlled within a range of 0.5-10MPa, so that the bonding layer has relatively high flexibility, thereby ensuring the buckling performance of the flexible display panel.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a flexible display panel and a flexible display device. Background technique [0002] With the advancement of display technology, more and more active matrix organic light emitting diode (Active Matrix Organic Light Emitting Diode, AMOLED) display devices have entered the market, which are different from traditional transistor liquid crystal display devices (Thin Film Transistor Liquid Crystal Display, TFT LCD) In comparison, it has the advantages of low energy consumption, low production cost, self-illumination, wide viewing angle, and fast response speed. At present, it has gradually replaced traditional LCD displays in the display fields of mobile phones, PDAs, and digital cameras. When the organic light emitting diode display panel is made into a flexible display device, it is easy to cause cracks and disconnection of signal lines in the welding area. Therefore, how to impr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/32H01L51/00H10K99/00
CPCH10K59/00H10K77/111Y02E10/549
Inventor 于泉鹏李喜烈蔡雨刘聪慧
Owner SHANGHAI TIANMA MICRO ELECTRONICS CO LTD
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