IP Library Granted Patent US 6,853,135
Granted Patent B1
US 6,853,135 · App. 10/152,589 · Granted Feb 8, 2005

Apparatus for removing contaminants from a display device

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Quick Facts
Patent No.
US 6,853,135
App. No.
10/152,589
Granted
Feb 8, 2005
Kind
B1
Abstract

An apparatus for removing contaminants from a display device is disclosed. In one embodiment, an auxiliary chamber is adapted to be coupled to a surface of a display device such that contaminants within the display device can travel from the display device into the auxiliary chamber. A getter is disposed in the auxiliary chamber. The getter is adapted to capture the contaminants once the contaminants travel from the display device into the auxiliary chamber. In other embodiments, the getter is disposed in the border region surrounding the active area of the display.

Claims (12)

1. An apparatus for removing contaminants from a display device comprising:

a first foil layer;

a layer of evaporable getter material; and

a second foil layer disposed over said layer of evaporable getter material.

2. The apparatus of claim 1 wherein said layer of evaporable getter material comprises barium aluminum.

3. An apparatus for removing contaminants from a display device comprising:

a substrate having a plurality of cavities formed therewithin;

barium aluminum material disposed within said plurality of cavities; and

a film disposed over said barium aluminum material.

4. The apparatus of claim 3 for removing contaminants from a display device wherein said cavities are circular.

5. The apparatus of claim 3 for removing contaminants from a display device wherein said cavities are rectangular.

6. The apparatus of claim 3 for removing contaminants from a display device wherein said cavities are channels.

Assignments (4)
NUNC PRO TUNC ASSIGNMENT Recorded Jun 24, 2007
From: CANDESCENT TECHNOLOGIES CORPORATION
To: CANON KABUSHIKI KAISHA
Reel/Frame 019466/0517 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 19, 2007
From: CANDESCENT INTELLECTUAL PROPERTY SERVICES, INC.
To: CANON KABUSHIKI KAISHA
Reel/Frame 019028/0705 →
DOCUMENT PREVIOUSLY RECORDED AT REEL 014216 FRAME 0915 CONTAINED ERRORS IN PATENT APPLICATION NUMBER 09/995,755. DOCUMENT RERECORDED TO CORRECT ERRORS STATED REEL. Recorded Nov 7, 2006
From: CANDESCENT TECHNOLOGIES CORPORATION
To: CANDESCENT TECHNOLOGIES CORPORATION; CANDESCENT INTELLECTUAL PROPERTY SERVICES, INC.
Reel/Frame 018497/0796 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 30, 2003
From: CANDESCENT TECHNOLOGIES CORPORATION
To: CANDESCENT INTELLECTUAL PROPERTY SERVICES, INC.; CANDESCENT TECHNOLOGIES CORPORATION
Reel/Frame 014216/0915 →