发明申请
- 专利标题: Display panel control circuit and display panel control method
- 专利标题(中): 显示面板控制电路和显示面板控制方式
-
申请号: US10995106申请日: 2004-11-24
-
公开(公告)号: US20050156812A1公开(公告)日: 2005-07-21
- 发明人: Norihide Kinugasa , Yoshio Nirasawa , Hideo Hamaguchi , Sachi Ota
- 申请人: Norihide Kinugasa , Yoshio Nirasawa , Hideo Hamaguchi , Sachi Ota
- 专利权人: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- 当前专利权人: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- 优先权: JP2004-001650 20040107
- 主分类号: G06F3/14
- IPC分类号: G06F3/14 ; G09G3/36 ; G09G5/00 ; G09G5/14 ; H04N5/66 ; H04N5/93
摘要:
A display panel control circuit includes a voltage controlled oscillator (VCO) for outputting a clock signal, a first-panel horizontal system pulse generation section, a second-panel horizontal system pulse generation section, a vertical system pulse generation section which is commonly used among the first and second panels, a phase comparator, and a smoothing element. The first-panel horizontal system pulse generation section and the second-panel horizontal system pulse generation section respectively generate a reference signal of a first-panel horizontal system output group and a reference signal of a second-panel horizontal system output group from signal VCOCLK1 output from the VCO. Thus, it is possible to simultaneously drive two different panels.