IP Library › Granted Patent US 7,262,823
Granted Patent B2
US 7,262,823 · App. 10/860,489 · Granted Aug 28, 2007

Display device and manufacturing method thereof

Assignee: Hitachi Displays, Ltd.
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Quick Facts
Patent No.
US 7,262,823
App. No.
10/860,489
Granted
Aug 28, 2007
Kind
B2
Abstract

A display device includes an organic film with a pattern in which forming portions and non-forming portions are present in a mixed form in the periphery thereof, and the pattern is formed around the periphery of the organic film.

Claims (6)

1. A display device including a liquid crystal and an orientation film which contacts the liquid crystal, wherein

the orientation film forms a pattern which is constituted of either a plurality of notches or holes which are spaced from one another on an edge of the orientation film, and the pattern is formed along the edge of the orientation film, the orientation film being substantially rectangular in plan view of the display device.

2. A display device according to claim 1 , wherein the edge of the orientation film has a thickness smaller than a film thickness of a display region of the display device formed at least by the liquid crystal.

3. A display device according to claim 1 , wherein the pattern of the orientation film is formed only along the edge of the orientation film of the display device.

4. A display device according to claim 1 , wherein the display device includes a sealing material which substantially surrounds and is spaced from a periphery of a display region and which fixes respective substrates, and the edge of the orientation film extends beyond the periphery of the display region without contacting the sealing material.

5. A display device according to claim 1 , wherein the orientation film enables an initial orientation of the liquid crystal of the display device.

Assignments (7)
CHANGE OF NAME Recorded Nov 17, 2023
From: HITACHI DISPLAYS, LTD.
To: JAPAN DISPLAY EAST, INC.
Reel/Frame 065614/0223 →
CHANGE OF NAME Recorded Nov 17, 2023
From: JAPAN DISPLAY EAST, INC.
To: JAPAN DISPLAY, INC.
Reel/Frame 065614/0644 →
CHANGE OF ADDRESS Recorded Nov 17, 2023
From: JAPAN DISPLAY, INC.
To: JAPAN DISPLAY, INC.
Reel/Frame 065654/0250 →
NUNC PRO TUNC ASSIGNMENT Recorded Nov 17, 2023
From: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
To: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
Reel/Frame 065615/0327 →
COMPANY SPLIT PLAN TRANSFERRING FIFTY (50) PERCENT SHARE OF PATENTS Recorded Oct 14, 2011
From: HITACHI DISPLAYS, LTD.
To: IPS ALPHA SUPPORT CO., LTD.
Reel/Frame 027063/0019 →
MERGER Recorded Oct 14, 2011
From: IPS ALPHA SUPPORT CO., LTD.
To: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
Reel/Frame 027063/0139 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 4, 2004
From: MORIMOTO, MASATERU; IMAYAMA, HIROTAKA; IWAMURA, RYOJI; WATABE, KAZUFUMI; TERAO, HIROMU
To: HITACHI DISPLAYS, LTD.
Reel/Frame 015441/0850 →
Priority Claims (1)
JP 2003-159442 · Jun 4, 2003 · national
Continuity (1)
Related Publication 20040246420A1 · Dec 9, 2004