Electrophoretic display device, adhesive and preparation method of adhesive
An adhesive and adhesive layer technology, applied in the directions of adhesives, adhesive types, polyurea/polyurethane adhesives, etc., can solve the problems of decreased adhesive force, abnormal voltage conduction, non-driving of electrical materials, etc., and achieves good heat resistance, Enhanced heat resistance effect
Active Publication Date: 2017-07-21
GUANGZHOU OED TECH INC
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Problems solved by technology
However, this adhesive force is reversible. During high-temperature storage or high-temperature use, it is easy to cause the polymer material of the adhesive layer to be in a long-term heat-activated state, and the adhesive force decreases, which makes it easy to drive from the drive under high temperature and stress. A small area on the backplane falls off, causing abnormal voltage conduction in this area, and the electrical material does not drive
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[0030] In order to make the object, technical solution and technical effect of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific implementations described in this specification are only for explaining the present invention, not for limiting the present invention.
[0031] Please refer to figure 1 , the embodiment of the present invention provides an electrophoretic display, which includes a first substrate 11, a second substrate 12, an electrophoretic display layer 13 and an adhesive layer 14, the first substrate 11 and the second substrate 12 are oppositely arranged and facing each other A conductive layer is provided on the surface, and the electrophoretic display layer 13 and the adhesive layer 14 are arranged between the first substrate 11 and the second substrate 12, and the first substrate 11 and the second substrate 12 ar...
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Abstract
The invention provides an electrophoretic display device, adhesive and a preparation method of the adhesive; the adhesive comprises aliphatic diisocyanate, aromatic diisocyanate, a polyester diol, a polyether diol, a chain extender, a graft compound, and an amine chain extender; the graft compound comprises latent curing or slow curing reaction groups. The graft compound containing the latent curing or slow curing reaction groups is introduced to the adhesive according to the embodiment, heat resistance and ageing resistance of the adhesive are enhanced, and the electrophoretic display device using the adhesive has good heat resistance and aging resistance.
Description
technical field [0001] The invention belongs to the field of adhesives for electronic appliances, and in particular relates to an electrophoretic display device, an adhesive and a preparation method thereof. Background technique [0002] In the electrophoretic display device, it is necessary to use an adhesive to connect the electrophoretic display layer and the driving backplane, and the adhesive is laminated between the electrophoretic display layer and the driving backplane to form an adhesive layer. This kind of adhesive needs to have good electrical conductivity and good bonding performance, so as not to fall off when the environment changes, causing insufficient or no driving of the electrophoretic display layer. In order to meet the needs of different use environments, the adhesive also needs to have certain heat resistance and aging resistance. [0003] The existing adhesive layer is an organic polymer material layer. In order to obtain better pressure-sensitive ini...
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Login to View More IPC IPC(8): C09J175/06C09J175/08C09J11/06C08G18/66C08G18/48C08G18/42C08G18/32G02F1/167
CPCC08G18/6607C08G18/6618C09J11/06C09J175/06C09J175/08G02F1/167
Inventor 罗裕杰曾晞陈宇王喜杜林永强孙景泉周建林
Owner GUANGZHOU OED TECH INC