Title:
面発光体、及び表示装置
Document Type and Number:
Japanese Patent JP5304242
Kind Code:
B2
Abstract:
Provided are a surface area light emitting body with a surface area light emitting element and a display device using the surface area light emitting body. Taking-out efficiency and front luminance of light emitted from the surface area light emitting body are uniformly and greatly improved. The surface area light emitting body has at least the surface light emitting element and a light regulating sheet. The light regulating sheet has projections on at least one side of the sheet, and the top ends of the projections are in contact with the light emitting surface of the surface area light emitting element with an adhesion layer inbetween. The top ends of the projections are adhered to the adhesion layer, embedding a portion of each top end in the adhesion layer. The ratio of the total area of the adhesion between the projections and the adhesion layer to the area of the emitting surface of the light emitting element is not less than 10% and less than 30%.
Inventors:
Akira Sato
Manami Sako
Manami Sako
Application Number:
JP2008517848A
Publication Date:
October 02, 2013
Filing Date:
May 21, 2007
Export Citation:
Assignee:
Konica Minolta Co., Ltd.
International Classes:
H05B33/02; F21S2/00; F21V8/00; G09F9/30; H01L27/32; H01L51/50; H05B33/14; F21Y105/00
Domestic Patent References:
| JP2003347052A | 2003-12-05 | |||
| JP2004259607A | 2004-09-16 | |||
| JP2006278137A | 2006-10-12 | |||
| JP2004164912A | 2004-06-10 | |||
| JP2002151274A | 2002-05-24 | |||
| JP2004241214A | 2004-08-26 | |||
| JP2004338379A | 2004-12-02 | |||
| JP2003347052A | 2003-12-05 | |||
| JP2004259607A | 2004-09-16 | |||
| JP2006278137A | 2006-10-12 |
Foreign References:
| WO2005022659A2 | 2005-03-10 |
Attorney, Agent or Firm:
Shinto International Patent Office