Semiconductor Energy Laboratory Co., Ltd.

Saki Obana

Yohei Momma

Tomohiko Suganoya

Hiroki Adachi

Shingo Eguchi

Shuji Fukai

Yohei Monma

Koji Moriya

A light-emitting device having a curved light-emitting surface is provided. Further, a highly-reliable light-emitting device is provided. A substrate with plasticity is used. A light-emitting element is formed over the substrate in a flat state. The substrate provided with the light-emitting element is curved and put on a surface of a support having a curved surface. Then, a protective layer for protecting the light-emitting element is formed in the same state. Thus, a light-emitting device having a curved light-emitting surface, such as a lighting device or a display device can be manufactured.

Light-emitting device and manufacturing method thereof

The object can be achieved by the following structure. A material whose value of fracture toughness is greater than or equal to 1.5 [MPa&#xb7;m] is used for a base substrate and a counter substrate which hold a liquid crystal material therebetween; a first sealant containing liquid crystal contaminants at less than or equal to 1&#xd7;10wt % is provided so as be in contact with the liquid crystal material and to surround the liquid crystal material seamlessly; the second sealant is provided to surround the first sealant; and the base substrate and the counter substrate which hold the liquid crystal material therebetween using the first sealant and the second sealant are bonded with a bond strength of greater than or equal to 1 [N/mm].

Manufacturing method of a liquid crystal device comprising an alignment film formed under reduced pressure

Light-emitting device

Growing community of inventors

Tochigi, Japan

Saki Obana