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ViewSonic Corporation Confidential - Do Not Copy PJ503D-1
PART III Inspection Criteria
IMAGE QUALITY SPECIFICATION
SEQ # TEST SCREEN ACCEPTANCE CRITERIA
1 Major Dark
Blemish
Blue 60
1. 4 visible dark blemishes are allowed in the active ≦
area
2. No blemish will be >1.5” long / diameter
2 Major Light
Blemish
Gray 10
1. 4 visible light blemishes are allowed in the active ≦
area
2. No blemish will be > 1.5” long / diameter
3 Reset
Boundary
Artifact
Gray 30 No rest boundary artifacts allowed
4
Eyecatchers
Border
Artifact
Any Screen
1. Eyecatcher and border artifacts are allowed
5 Projected
Images
1. Any screen
2. Gray 10
3. Any screen
4. Gray 10
5. White
6. Any screen
7. Any screen
1.No adjacent pixels
2.No bright pixels in Active Area
3.No unstable pixels in Active Area
4.≦1 bright pixel in the POM
5.≦3 dark pixels in the Active Area
6.No DMD window aperture shadowing on the Active Area
7.Minor blemishes are allowed
Notes:
1. Projected blemish numbers include the count for the shadow of the artifact in addition to the
artifact itself, so that the count usually represents a single artifact on the window.
2. During all the above table tests, projected images shall be inspected in accordance with the
conditions of inspection specified in Appendix D’s Section 3(DMD Image Quality).
3. The rejection basis for all cosmetic DMD defects (scratches, nicks, particles) will be the
projected image tests referenced in the above table.
4. Devices that meet this image quality specification but are deemed undesirable by the
customer may not be returned to T1 without prior approval by T1.
5. Screen＜Gray 10 shall not be used as a basis for rejecting a DMD for image quality.
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