DISPLAY DEVICE MANUFACTURING METHOD
First Claim
Patent Images
1. A display device manufacturing method comprising:
- lighting up a display device for a predetermined period;
measuring, as first brightness, brightness of the display device at a start of lighting;
measuring, as second brightness, brightness of the display device when the predetermined period has elapsed;
calculating a deterioration rate of the second brightness with respect to the first brightness; and
discriminating the display device as a defective item when the deterioration rate is greater than a threshold value.
4 Assignments
0 Petitions
Accused Products
Abstract
A display device manufacturing method includes: lighting up a display device for a predetermined period; measuring, as first brightness, brightness of the display device at a start of lighting; measuring, as second brightness, brightness of the display device when the predetermined period has elapsed; calculating a deterioration rate of the second brightness with respect to the first brightness; and discriminating the display device as a defective item if the deterioration rate is greater than a threshold value.
4 Citations
7 Claims
-
1. A display device manufacturing method comprising:
-
lighting up a display device for a predetermined period; measuring, as first brightness, brightness of the display device at a start of lighting; measuring, as second brightness, brightness of the display device when the predetermined period has elapsed; calculating a deterioration rate of the second brightness with respect to the first brightness; and discriminating the display device as a defective item when the deterioration rate is greater than a threshold value. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
Specification