发明名称 |
TRANSFLECTIVE LIQUID CRYSTAL DISPLAY WITH REDUCED FLICKER |
摘要 |
A method of reducing visible flicker in a transflective display device, having a plurality of pixels, each pixel comprising a transmissive sub-pixel and a reflective sub-pixel, is disclosed. The method comprises the steps of: driving the pixels with an alternating voltage; determining a first desired compensation voltage for the transmissive sub-pixels and a second desired compensation voltage for the reflective sub-pixels; deriving a common compensation voltage from said first desired compensation voltage and said second desired compensation voltage; and applying said common compensation voltage to both the transmissive and the reflective sub-pixels. Thus, the flicker resulting from a DC bias of the driving voltage is substantially reduced. In a preferred embodiment, the method further comprises the steps of: determining a lowest available frame frequency setting for which any remaining flicker is invisible; and setting a frame frequency at which the display is driven to said lowest available frame frequency. According to another embodiment, a backlight is manually controlled and the common compensation voltage is derived as a function of a mode of operation of the backlight. A transflective display device implementing the above methods is also disclosed.
|
申请公布号 |
KR20050042812(A) |
申请公布日期 |
2005.05.10 |
申请号 |
KR20057004251 |
申请日期 |
2005.03.11 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
JOHNSON, MARK T.;VERSCHUEREN, ALWIN R. M. |
分类号 |
G02F1/1335;G02F1/133;G09G3/20;G09G3/34;G09G3/36;(IPC1-7):G02F1/133 |
主分类号 |
G02F1/1335 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|