IP Library Granted Patent US 7,215,077
Granted Patent B2
US 7,215,077 · App. 10/864,547 · Granted May 8, 2007

Plasma display apparatus and fluorescent material for plasma display panel

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Quick Facts
Patent No.
US 7,215,077
App. No.
10/864,547
Granted
May 8, 2007
Kind
B2
Abstract

Fluorescent material used for a plasma display panel contains particles having various diameters wherein X 1 /Y is equal to or smaller than 10% where X 1 indicates a number of particles having a diameter equal to or smaller than 1.0 micrometers, and Y indicates a total number of particles contained in the fluorescent material.

Claims (23)

1. A fluorescent material used for a plasma display panel, said fluorescent material containing particles having various diameters wherein X 1 /Y is equal to or smaller than 10% where X 1 indicates a number of particles having a diameter equal to or smaller than 1.0 micrometers, and Y indicates a total number of particles contained in said fluorescent material, and that X 2 /Y is equal to or smaller than 2% where X 2 indicates a number of particles having a diameter equal to or greater than 16 micrometers.

2. A fluorescent material used for a plasma display panel, said fluorescent material containing particles having various diameters wherein X 1 /Y is equal to or smaller than 10% where X 1 indicates a number of particles having a diameter equal to or smaller than 1.0 micrometers, and Y indicates a total number of particles contained in said fluorescent material, and that X 2 /Y is equal to or smaller than 1% where X 2 indicates a number of particles having a diameter equal to or greater than 16 micrometers.

3. A fluorescent material used for a plasma display panel, said fluorescent material containing particles having various diameters wherein X 1 /Y is equal to or smaller than 10% where X 1 indicates a number of particles having a diameter equal to or smaller than 1.0 micrometers, and Y indicates a total number of particles contained in said fluorescent material, and that T 1 /T 2 is equal to or smaller than 1.7 where T 1 indicates a locally maximum thickness of said fluorescent material, and T 2 indicates an average thickness of said fluorescent material.

4. A fluorescent material used for a plasma display panel, said fluorescent material containing particles having various diameters wherein X 1 /Y is equal to or smaller than 10% where X 1 indicates a number of particles having a diameter equal to or smaller than 1.0 micrometers, and Y indicates a total number of particles contained in said fluorescent material, and that T 1 /T 2 is equal to or smaller than 1.5 where T 1 indicates a locally maximum thickness of said fluorescent material, and T 2 indicates an average thickness of said fluorescent material.

5. Fluorescent material used for a plasma display panel, said fluorescent material containing particles having various diameters wherein X 1 /Y is equal to or smaller than 1% where X 1 indicates a number of particles having a diameter equal to or smaller than 1.0 micrometers, and Y indicates a total number of particles contained in said fluorescent material.

6. The fluorescent material as set forth in claim 5 , wherein X 2 /Y is equal to or smaller than 2% where X 2 indicates a number of particles having a diameter equal to or greater than 16 micrometers.

7. The fluorescent material as set forth in claim 5 , wherein X 2 /Y is equal to or smaller than 1% where X 2 indicates a number of particles having a diameter equal to or greater than 16 micrometers.

8. The fluorescent material as set forth in claim 5 , wherein T 1 /T 2 is equal to or smaller than 1.7 where T 1 indicates a locally maximum thickness of said fluorescent material, and T 2 indicates an average thickness of said fluorescent material.

9. The fluorescent material as set forth in claim 5 , wherein T 1 /T 2 is equal to or smaller than 1.5 where T 1 indicates a locally maximum thickness of said fluorescent material, and T 2 indicates an average thickness of said fluorescent material.

10. A plasma display apparatus comprising a first substrate, a second substrate and fluorescent material arranged between said first and second substrates, wherein electric discharge is caused in a discharge cell formed between said first and second substrates to excite said fluorescent material to emit a light,

said fluorescent material containing particles having various diameters wherein X 1 /Y is equal to or smaller than 10% where X 1 indicates a number of particles having a diameter equal to or smaller than 1.0 micrometers, and Y indicates a total number of particles contained in said fluorescent material, and that X 2 /Y is equal to or smaller than 2% where X 2 indicates a number of particles having a diameter equal to or greater than 16 micrometers.

11. A plasma display apparatus comprising a first substrate, a second substrate and fluorescent material arranged between said first and second substrates, wherein electric discharge is caused in a discharge cell formed between said first and second substrates to excite said fluorescent material to emit a light,

said fluorescent material containing particles having various diameters wherein X 1 /Y is equal to or smaller than 10% where X 1 indicates a number of particles having a diameter equal to or smaller than 1.0 micrometers, and Y indicates a total number of particles contained in said fluorescent material, and that X 2 /Y is equal to or smaller than 1% where X 2 indicates a number of particles having a diameter equal to or greater than 16 micrometers.

12. A plasma display apparatus comprising a first substrate, a second substrate and fluorescent material arranged between said first and second substrates, wherein electric discharge is caused in a discharge cell formed between said first and second substrates to excite said fluorescent material to emit a light,

said fluorescent material containing particles having various diameters wherein X 1 /Y is equal to or smaller than 10% where X 1 indicates a number of particles having a diameter equal to or smaller than 1.0 micrometers, and Y indicates a total number of particles contained in said fluorescent material, and that T 1 /T 2 is equal to or smaller than 1.7 where T 1 indicates a locally maximum thickness of said fluorescent material, and T 2 indicates an average thickness of said fluorescent material.

13. A plasma display apparatus comprising a first substrate, a second substrate and fluorescent material arranged between said first and second substrates, wherein electric discharge is caused in a discharge cell formed between said first and second substrates to excite said fluorescent material to emit a light,

said fluorescent material containing particles having various diameters wherein X 1 /Y is equal to or smaller than 10% where X 1 indicates a number of particles having a diameter equal to or smaller than 1.0 micrometers, and Y indicates a total number of particles contained in said fluorescent material, and that T 1 /T 2 is equal to or smaller than 1.5 where T 1 indicates a locally maximum thickness of said fluorescent material, and T 2 indicates an average thickness of said fluorescent material.

14. A plasma display apparatus comprising a first substrate, a second substrate and fluorescent material arranged between said first and second substrates, wherein electric discharge is caused in a discharge cell formed between said first and second substrates to excite said fluorescent material to emit a light,

said fluorescent material containing particles having various diameters wherein X 1 /Y is equal to or smaller than 1% where X 1 indicates a number of particles having a diameter equal to or smaller than 1.0 micrometers, and Y indicates a total number of particles contained in said fluorescent material.

15. The plasma display apparatus as set forth in claim 14 , wherein X 2 /Y is equal to or smaller than 2% where X 2 indicates a number of particles having a diameter equal to or greater than 16 micrometers.

16. The plasma display apparatus as set forth in claim 14 , wherein X 2 /Y is equal to or smaller than 1% where X 2 indicates a number of particles having a diameter equal to or greater than 16 micrometers.

17. The plasma display apparatus as set forth in claim 14 , wherein T 1 /T 2 is equal to or smaller than 1.7 where T 1 indicates a locally maximum thickness of said fluorescent material, and T 2 indicates an average thickness of said fluorescent material.

18. The plasma display apparatus as set forth in claim 14 , wherein T 1 /T 2 is equal to or smaller than 1.5 where T 1 indicates a locally maximum thickness of said fluorescent material, and T 2 indicates an average thickness of said fluorescent material.

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 15, 2009
From: PIONEER CORPORATION (FORMERLY CALLED PIONEER ELECTRONIC CORPORATION)
To: PANASONIC CORPORATION
Reel/Frame 023234/0173 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 14, 2005
From: PIONEER PLASMA DISPLAY CORPORATION
To: PIONEER CORPORATION
Reel/Frame 016334/0922 →
CHANGE OF NAME Recorded May 6, 2005
From: NEC PLASMA DISPLAY CORPORATION
To: PIONEER PLASMA DISPLAY CORPORATION
Reel/Frame 016195/0582 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 10, 2004
From: KAWAMURA, HIROSHI; AIBARA, NOBUMITSU
To: NEC PLASMA DISPLAY CORPORATION
Reel/Frame 015458/0053 →