Curved-surface multi-form display device and manufacturing method thereof

Abstract

The invention discloses a curved-surface multi-form display device and a manufacturing method thereof and relates to the technical field of curved-surface display. The curved-surface multi-form display device comprises a cover screen, a frame, liquid optical cement and a display body, wherein the liquid optical cement is sensitive to light of a first wavelength and light of a second wavelength, and the display body is coated with the liquid optical cement in a multi-point mode; the cover screen and the frame are adhered to the display main body through liquid optical cement, and the liquid optical cement is completely cured through a pre-activation method and a rapid curing method. According to the invention, rapid curing of the liquid optical cement can be realized, which is much faster than thermocuring or environmental humidity curing, and not only can the production time be shortened so as to reduce the cost, but also combination between bent parts can be firmer.

Description

technical field [0001] The present invention relates to the technical field of curved surface display, in particular to a curved surface multi-morphology display device and a manufacturing method thereof. Background technique [0002] As the global automotive market continues to prosper, shipments of in-vehicle displays are increasing day by day. At the same time, with the continuous advancement of the Internet of Vehicles, the degree of intelligent human-vehicle interaction is gradually deepening, and consumers' demand for in-vehicle display functions and intelligence is also increasing. Major automakers will always find a place for the "big LCD screen". Compared with mobile phones, the product structure and use environment of vehicle displays are more complex, and the requirements for product adhesion are also higher. [0003] In the screen assembly process, the existing lamination relies on solid optical adhesive (OCA, Optically Clear Adhesive) and liquid optical adhesi...

AI Technical Summary

Problems solved by technology

However, for vehicle-mounted displays, OCA has the following problems: With the continuous improvement of functional and intelligent requirements, vehicle-mounted displays tend to adopt more complex products such as large screens, multi-screens, and irregular screen combinations. Structure, then especially for the "ladder" structure of the screen and the frame, when the OCA tape cannot be covered smoothly, air bubbles will be generated; changes in outdoor temperature, differences in driving environments, bumps during driving, waste heat from the front engine compartment, etc. The harsh environment poses greater challenges to the reliability of the display screen, and puts forward higher requirements for the bonding strength. However, the use of OCA lamination process is likely to cause problems such as screen cracking; in addition, the display performance is also a test. , car screens need to be able to display clearly under strong light, OCA has some shortcomings in light transmittance and display performance

However, the cost of curved polymorphic displays is several times that of flat panel displays, and the high cost will also hinder the popularization of products to a certain extent

In terms of cost, it is mainly due to the high cost of glass covers and the difficulty of optical glass bonding technology, which is the key factor for mass production in the future market

[0013] To sum up, the current bonding performance of curved multi-form displays needs to be improved, and the curing time used is relatively slow, resulting in long production time and high cost.

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