发明申请
- 专利标题: Electrophoretic display device and driving means for restoring the brightness level
- 专利标题(中): 电泳显示装置和恢复亮度级别的驱动装置
-
申请号: US10506272申请日: 2003-02-12
-
公开(公告)号: US20050152020A1公开(公告)日: 2005-07-14
- 发明人: Mark Johnson , Guo-Fu Zhou , Alexander Henzen , Michael Pitt
- 申请人: Mark Johnson , Guo-Fu Zhou , Alexander Henzen , Michael Pitt
- 申请人地址: NL BA Eindhoven 5621
- 专利权人: Koninklijke Philips Electronics N.V.
- 当前专利权人: Koninklijke Philips Electronics N.V.
- 当前专利权人地址: NL BA Eindhoven 5621
- 优先权: EP02075846.2 20020305
- 国际申请: PCT/IB03/00512 WO 20030212
- 主分类号: G02F1/167
- IPC分类号: G02F1/167 ; G09G3/34 ; G02B26/00
摘要:
An electrophoretic display device (1) comprising one pixel (10) with an electrophoretic medium (13), electrodes (6, 7), as well as drive means (4) by which the pixels can be brought into different optical states. Some time (thold) after the application of an addressing pulse (Paddress) for setting the brightness level (Rw, Rb) of a pixel (10), a restore pulse voltage (Prestore) is applied between the electrodes (6,6′,7) for restoring the brightness level of a pixel to the set level (Rw, Rb). The restore pulse may be a set of consecutive pulses to bring the drifted brightness level even more smoothly (i.e. less perceivably) back to the original brightness level.
公开/授权文献
信息查询