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Patent Searching and Data


Title:
DISPLAY DEVICE
Document Type and Number:
Japanese Patent JP2013044898
Kind Code:
A
Abstract:

To provide a display device capable of emitting bright light with high uniformity.

A light guide body 11 guides light emitted from a light source 20. An optical diffusion section 13 is formed on the light guide body 11 and diffuses the light guided by the light guide body 11. A design display section 12 is formed on the light guide body 11 and displays a design. A low-refractive-index section 14 is formed between the light guide body 11 and the design display section 12, and has the light refractive-index lower than that of the light guide body 11. The optical diffusion section 13 is formed of two or more printed layers and on a rear face 112 of the light guide body 11.


Inventors:
HAMADA KAZUNARI
YABE SADAO
Application Number:
JP2011182073A
Publication Date:
March 04, 2013
Filing Date:
August 24, 2011
Export Citation:
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Assignee:
NIPPON SEIKI CO LTD
International Classes:
G09F13/18; B60K35/00; F21S2/00; G01D11/28; G01D13/04; G02B6/00; G02B6/122; F21Y101/02; F21Y103/00; F21Y105/00