IP Library Granted Patent US 10,373,577
Granted Patent B2
US 10,373,577 · App. 15/463,403 · Granted Aug 6, 2019

Display device and electronic apparatus

Inventors: Tadayoshi Katsuta (Tokyo, JP); Hiroshi Mizuhashi (Tokyo, JP)
Assignee: Japan Display Inc.
G09G3/3648G06F3/044G09G3/3614G09G3/3677G09G3/3688G09G2230/00G09G2300/0408G09G2300/0426G09G2300/0452G09G2310/08
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Quick Facts
Patent No.
US 10,373,577
App. No.
15/463,403
Granted
Aug 6, 2019
Kind
B2
Abstract

According to an aspect, a display device includes: a plurality of pixels aligned in row and column directions, each of the pixels including a drive element; a plurality of scan lines each coupled with the drive elements included in the pixels aligned in the row direction to transmit thereto a scan signal for selecting the pixels row by row; a plurality of signal lines each coupled with the drive elements included in the pixels aligned in the column direction to write display data; and a display control unit. The display control unit alternately repeats a display period and a stop period. In a latter term of the stop period, display control unit provides the display data written in the respective pixels in a row that has been selected during the display period immediately before the stop period, to the signal lines corresponding to the respective pixels.

Claims (15)

1. A display device that displays an image, the display device comprising:

a display area in which a plurality of pixels are aligned in row and column directions, each of the pixels including a drive element;

a plurality of scan lines extending in the row direction, each of the scan lines being coupled with the drive elements included in the pixels aligned in the row direction to transmit thereto a scan signal for selecting the pixels in the display area row by row;

a plurality of signal lines extending in the column direction, each of the signal lines being coupled with the drive elements included in the pixels aligned in the column direction to write display data of the image to be displayed on the display area to the pixels in a row selected by the scan signal;

a source driver that is a transmission source of the display data;

a plurality of switches that are provided between the source driver and the signal lines, that are coupled with the source driver and the signal lines, and that are coupled with the respective drive elements via the respective signal lines; and

a display control unit configured to:

alternately repeat a display period of writing the display data to the pixels and a stop period of stopping the writing of the display data to the pixels; and

in the stop period, turn off all the switches and turn off all the drive elements, wherein

during the entirety of the stop period, the signal lines hold the display data of one horizontal scanning period in the display period immediately before the stop period.

2. The display device according to claim 1 ,

wherein each of the pixels includes a plurality of sub-pixels, and

wherein ends of one end the switches are coupled with one another and are supplied with the display data from the source driver, and ends of the other end of the switches are coupled with the respective sub-pixels via the respective signal lines.

3. The display device according to claim 1 , after the stop period, the display control unit writes the display data of one horizontal scanning period in the display period immediately before the stop period to the corresponding signal lines.

4. An electronic apparatus comprising the display device according to claim 1 .

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 22, 2025
From: JAPAN DISPLAY INC.
To: MAGNOLIA WHITE CORPORATION
Reel/Frame 072130/0313 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 21, 2017
From: KATSUTA, TADAYOSHI; MIZUHASHI, HIROSHI
To: JAPAN DISPLAY INC.
Reel/Frame 041658/0293 →
Priority Claims (1)
JP 2013-036408 · Feb 26, 2013 · national
Continuity (3)
Continuation 14985742 · Dec 31, 2015
Division 14179903 · Feb 13, 2014
Related Publication 20170193941A1 · Jul 6, 2017