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US 6,281,617 B1Granted
Piezoelectric luminous element, display device and method for manufacturing same
AssigneeSeiko Epson Corporation
InventorsHong Qiu, Koji Sumi, Tsutomu Nishiwaki
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Abstract
Provided is a luminous element which utilizes a tribo-luminescence phenomenon. The luminous element comprises: a pressure luminous layer (14) which emits light upon the application of pressure; and a piezoelectric element which comprises a piezoelectric film (12) held between electrode films (11) and (13), and which is located so as to be capable of applying pressure on the pressure luminous layer.
Claims7
A piezoelectric luminous element comprising:
- a pressure luminous layer for emitting light upon the application of pressure;
- and
- a piezoelectric element comprising a piezoelectric film held between electrode films and being located so as to be capable of applying pressure on said pressure luminous layer.
Dependencies are inferred from the claim text.