发明申请
US20060132417A1 Semiconductor integrated circuit for liquid crystal display driver
审中-公开
半导体集成电路用于液晶显示驱动
- 专利标题: Semiconductor integrated circuit for liquid crystal display driver
- 专利标题(中): 半导体集成电路用于液晶显示驱动
-
申请号: US11311161申请日: 2005-12-20
-
公开(公告)号: US20060132417A1公开(公告)日: 2006-06-22
- 发明人: Takeshi Shigenobu , Mitsuru Hiraki , Masashi Horiguchi , Kazuo Okado , Takesada Akiba
- 申请人: Takeshi Shigenobu , Mitsuru Hiraki , Masashi Horiguchi , Kazuo Okado , Takesada Akiba
- 专利权人: Renesas Technology Corp.
- 当前专利权人: Renesas Technology Corp.
- 优先权: JP2004-368708 20041221
- 主分类号: G09G3/36
- IPC分类号: G09G3/36
摘要:
In a liquid crystal drive controller formed as a semiconductor integrated circuit having therein a power source circuit including a boosting circuit and driving a source line and a gate line of a TFT liquid crystal panel, the number of external capacitive elements and the number of external terminals for connecting the external capacitive elements are reduced, thereby reducing the size and cost of the chip and an electronic device on which the chip is mounted. As a boosting circuit for generating a voltage for driving a source line of the TFT liquid crystal panel in the liquid crystal controller having therein the power source including the boosting circuit, a boosting circuit having an external capacitive element is used. On the other hand, as a boosting circuit for generating a voltage for driving a gate line, a charge pump having a built-in (on-chip) capacitive element is used.
公开/授权文献
- US3112218A Electrostatic spraying method and composition therefore 公开/授权日:1963-11-26