Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
DISPLAY DEVICE
Document Type and Number:
Japanese Patent JP2005283629
Kind Code:
A
Abstract:

To efficiently switch display colors in a display device having an organic EL panel.

This display panel has the organic EL panel 101 which performs white display, a λ/4 plate 102, a polarizing plate 103, a first liquid crystal panel 104, a color polarizing plate 105 in a red color system, a second liquid crystal panel 106 and a color polarizing plate 107 in a blue color system 107. Display in each color of white, red, blue and black is performed by setting the liquid crystal panels to an ON or OFF state. In addition, light reflection of the organic EL panel is prevented by the a λ/4 plate and the polarizing plate.


Inventors:
HAYATA YUJI
TAMAI KIYOSHI
Application Number:
JP2004000093116
Publication Date:
October 13, 2005
Filing Date:
March 26, 2004
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
OPTREX KK
International Classes:
G02B5/30; G02F1/13; G02F1/1333; G02F1/1335; G02F1/13363; G09F9/00; H01L51/50; H05B33/12; H05B33/14; (IPC1-7): G09F9/00; G02B5/30; G02F1/13; G02F1/1333; G02F1/1335; G02F1/13363; H05B33/12; H05B33/14
Domestic Patent References:
JPS5331985U1978-03-18
JPS6454021U1989-04-04
JP2003202565A2003-07-18
JPH11231311A1999-08-27
JP2004233567A2004-08-19
JP2000356762A2000-12-26
JP4049928B
Attorney, Agent or Firm:
家入 健