DISPLAY DEVICE,申请号JP20050148542-传众专利搜索

DISPLAY DEVICE

申请公布号：JP2006323303(A)

申请号：JP20050148542

申请日期：2005.05.20

申请公布日期：2006.11.30

申请人：

SANYO EPSON IMAGING DEVICES CORP

发明人：KOMA TOKUO

分类号：G02F1/13357;G02F1/1335

主分类号：G02F1/13357

摘要：<P>PROBLEM TO BE SOLVED: To attain high contrast in a display device provided with a lighting system and reflection LCD. <P>SOLUTION: The lighting system 200 is arranged by being opposed to a reflection electrode 33 of the reflection LCD 300. The lighting system 200 forms an organic EL layer 15 comprising an anode 11, a stripe-like cathode 12 and an organic layer 13. In addition, a shading layer 16 is formed by covering the cathode 12. A distance between centers 13c of an emission region 13a of the organic layer 13 is D1, a distance between the center of the emission region 13a and the surface of the reflection electrode 33 on the vertical direction is D2, and an angle θ made with a beam from the center 13c of the emission region 13a incident on the surface of the reflection electrode 33 and a perpendicular bisector is given by arctan (D1/(2×D2)), on the perpendicular bisector of a line segment connected between the centers of the adjacent emission regions 13a. Then, the angle θ is a prescribed angle without deteriorating a viewing angle dependency of a reflection liquid crystal display device. <P>COPYRIGHT: (C)2007,JPO&INPIT