IP Library Granted Patent US 8,674,904
Granted Patent B2
US 8,674,904 · App. 12/330,881 · Granted Mar 18, 2014

Color display device with a non-rectangle display

Inventors: Satoshi Taguchi (Tottori, JP); Susumu Iida (Tottori, JP); Koji Asada (Tottori, JP); Miyuki Ataka (Tottori, JP)
Assignee: Japan Display West Inc.
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Quick Facts
Patent No.
US 8,674,904
App. No.
12/330,881
Granted
Mar 18, 2014
Kind
B2
Abstract

A color display device includes a display area where a non-rectangular display range is determined. Pixels of which a display color is set to a mixed color formed by adjusting brightness of sub-pixels having a plurality of different single-colors are arranged within the display area. In addition, parts of the pixels subjected to non-coloring drive and display are arranged so as to extend to the contour of the display area.

Claims (6)

1. A color display device including a display area where a non-rectangular display range is determined, the color display device comprising:

a plurality of display pixels each including a plurality of sub-pixels, a display color of the respective display pixels being set to a mixed color formed by adjusting a brightness of the sub-pixels of the display pixels, the sub-pixels of the display pixels having a plurality of different single light-emitting colors being arranged within the display area; and

a plurality of contour pixels each including a plurality of sub-pixels, each of said sub-pixels of the contour pixels being subjected to non-coloring drive and display, the contour pixels being arranged along the contour of an outer perimeter of the display area, and at least portions of a plurality of the sub-pixels of the contour pixels being arranged outside the outer perimeter of the display area without being shielded by a light-shielding member.

2. The color display device according to claim 1 , wherein the contour pixels subjected to the non-coloring drive and display each include an achromatic color filter.

3. The color display device according to claim 1 , wherein the contour pixels subjected to the non-coloring drive and display each have no color filter.

4. The color display device according to claim 1 , wherein the brightness of the sub-pixels of the contour pixels subjected to the non-coloring drive and display is made substantially equal to that of adjacent chromatic sub-pixels of the display pixels.

Assignments (5)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 11, 2025
From: JAPAN DISPLAY INC.
To: MAGNOLIA WHITE CORPORATION
Reel/Frame 072398/0001 →
MERGER AND CHANGE OF NAME Recorded Jul 24, 2025
From: JAPAN DISPLAY EAST INC.; JAPAN DISPLAY WEST INC.
To: JAPAN DISPLAY INC.
Reel/Frame 071935/0063 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 9, 2013
From: SONY CORPORATION
To: JAPAN DISPLAY WEST INC.
Reel/Frame 030182/0522 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 8, 2010
From: EPSON IMAGING DEVICES CORPORATION
To: SONY CORPORATION
Reel/Frame 024500/0239 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 9, 2008
From: TAGUCHI, SATOSHI; IIDA, SUSUMU; ASADA, KOJI; ATAKA, MIYUKI
To: EPSON IMAGING DEVICES CORPORATION
Reel/Frame 021953/0891 →
Priority Claims (1)
JP 2008-020327 · Jan 31, 2008 · national
Continuity (1)
Related Publication 20090195481A1 · Aug 6, 2009