Display panel and manufacturing method of display panel

Details Display panel and manufacturing method of display panel Display panel and manufacturing method of display panel

2007-01-16

2007-01-16

Tran, Long (Department: 2818)

Semiconductor device manufacturing: process

Making device or circuit emissive of nonelectrical signal

Including integrally formed optical element

C257SE21596, C349S054000, C349S192000, C324S701000

Reexamination Certificate

active

10824907

ABSTRACT:
An array test is performed during the process of panel formation, such as at a stage where a driving TFT which supplies a drive current for an organic EL element is completed and an anode of the organic EL element has been formed on the TFT. Then, with regard to a defective pixel, a line connecting the driving TFT and the anode is disconnected using a laser. After the line has been thus disconnected, a planarization insulating film is formed, and this film fills the holes caused by the laser irradiation. It is thus possible to suppress deterioration of pixels and also effectively darken a defective pixel using laser.

REFERENCES:
patent: 6873174 (2005-03-01), Matsunaga et al.
patent: 2002/0154079 (2002-10-01), Shiota et al.

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