OLED display manufacturing method with uniformity correction

Details OLED display manufacturing method with uniformity correction OLED display manufacturing method with uniformity correction

2005-03-29

2008-12-30

Lindsay, Jr., Walter L (Department: 2812)

Semiconductor device manufacturing: process

Making conductivity modulation device

C438S016000, C438S082000, C257SE51022

Reexamination Certificate

active

07470569

ABSTRACT:
A method for manufacturing and grading OLED devices comprising the steps of: a) manufacturing OLED devices having a plurality of pixels with inherent pixel brightnesses and uniformity variation; b) measuring inherent pixel brightnesses and uniformity variation performance for each of the OLED devices; c) grading each of the OLED devices based on their inherent performance; d) selling OLED devices graded as acceptable without correction of inherent performance; e) correcting pixel brightness and uniformity variation performance for at least some of the OLED devices graded as not acceptable to render them acceptable; and f) selling OLED devices having pixel brightness and uniformity performance correction.

REFERENCES:
patent: 6081073 (2000-06-01), Salam
patent: 6414661 (2002-07-01), Shen et al.
patent: 6473065 (2002-10-01), Fan
patent: 2005/0030267 (2005-02-01), Tanghe et al.
U.S. Appl. No. 10/858,260, filed Jun. 1, 2004; Ronald S. Cok et al; “Uniformity And Brightness Measurement In OLED Displays”.
U.S. Appl. No. 10/869,009, filed Jun. 16, 2004; Ronald S. Cok et al; “Method And Apparatus For Uniformity And Brightness Correction In An OLED Display”.
U.S. Appl. No. 10/894,729, filed Jul. 20, 2004; Ronald S. Cok et al; “Method And Apparatus For Uniformity And Brightness Correction In An OLED”.

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