Invention Grant
- Patent Title: Display device having a plurality of subframes and method of driving the same
- Patent Title (中): 具有多个子帧的显示装置及其驱动方法
-
Application No.: US13461464Application Date: 2012-05-01
-
Publication No.: US08378935B2Publication Date: 2013-02-19
- Inventor: Hajime Kimura , Shunpei Yamazaki
- Applicant: Hajime Kimura , Shunpei Yamazaki
- Applicant Address: JP
- Assignee: Semiconductor Energy Laboratory Co., Ltd.
- Current Assignee: Semiconductor Energy Laboratory Co., Ltd.
- Current Assignee Address: JP
- Agency: Husch Blackwell LLP
- Priority: JP2005-008419 20050114
- Main IPC: G09G3/30
- IPC: G09G3/30
Abstract:
In a display device in which one frame is divided into a plurality of subframes and a gray scale is expressed by a time gray scale method, there is a problem of pseudo contour. A gray scale is expressed by sequentially adding a weight of each subframe (light emission period, light emission time, and the like). Further, an erasing diode is provided in a pixel. By turning this erasing diode on, the signal stored in the pixel is erased, thereby a non-light emission period is provided. Accordingly, subframes with different light emission periods can be easily formed.
Public/Granted literature
- US20120274614A1 Driving Method of Display Device Public/Granted day:2012-11-01
Information query
IPC分类:
