Die bonding material, light-emitting device, and method for producing light-emitting device
Abstract:
The present invention provides a die bonding material containing the following component (A) and a solvent and having a refractive index (nD) at 25° C. of 1.41 to 1.43 and a thixotropic index of 2 or more, a light-emitting device including an adhesive member derived from the die bonding material, and a method for producing the light-emitting device. The die bonding material of the present invention is preferably used for fixing a light emitting element at a predetermined position.
Component (A): a curable polysilsesquioxane compound having a repeating unit represented by the following formula (a-1) and satisfying predetermined requirements related to 29Si-NMR and mass average molecular weight (Mw) R1-D-SiO3/2  (a-1) [wherein R1 represents a fluoroalkyl group represented by a compositional formula: CmH(2m−n+1)Fn; m represents an integer of 1 to 10, and n represents an integer of 2 to (2m+1); and D represents a linking group (excluding an alkylene group) for connecting R1 and Si, or a single bond].
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