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Patent Searching and Data


Title:
LIGHT EMITTING DISPLAY DEVICE
Document Type and Number:
Japanese Patent JP2005062720
Kind Code:
A
Abstract:

To correct the luminance unevenness between light emitting display devices during use without adversely affecting images with the light emitting display device having a display element 1 equipped with a number of light emitting elements emitting the display light on the basis of a data signal and test light emitting elements 2 for inspecting the characteristics of the display light emitting elements.

The test light 11 is emitted to a direction parting from an opposite direction with respect to the display light 7 emitted from the display light emitting elements of the display part 1 from the test light emitting elements of the test light light emitting section 2.


Inventors:
NAKAJIMA YOSHINORI
YUKI OSAMU
KONDO SHIGEKI
Application Number:
JP2003295975A
Publication Date:
March 10, 2005
Filing Date:
August 20, 2003
Export Citation:
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Assignee:
CANON KK
International Classes:
G09F9/00; G09F9/30; G09G3/20; G09G3/30; H01L27/32; H01L51/50; H05B33/14; H05B33/10; (IPC1-7): G09G3/30; G09F9/00; G09F9/30; G09G3/20; H05B33/10; H05B33/14
Attorney, Agent or Firm:
Keisuke Watanabe
Yoshihiro Yamaguchi