Liquid crystal on silicon panel with subpixel wobulation
A liquid crystal on silicon panel including a plurality of driving circuits is provided. Each of the driving circuits includes a first driving route and a second driving route. The first driving route and the second driving route are configured to drive corresponding subpixel electrodes and respectively determine display content of a first wobulation image and a second wobulation image. In addition, a projection apparatus including the liquid crystal on silicon panel is also provided.
1. A liquid crystal on silicon panel, comprising:
a plurality of driving circuits, each of the driving circuits comprising a first driving route and a second driving route, wherein the first driving route and the second driving route are configured to drive corresponding subpixel electrodes and respectively determine display content of a first wobulation image and a second wobulation image,
wherein the first driving route and the second driving route operate in different phases, wherein
when the first driving route operates in a data loading phase, the second driving route operates in a display phase; and
when the first driving route operates in the display phase, the second driving route operates in the data loading phase.
2. The liquid crystal on silicon panel of claim 1 , wherein the first driving route drives a plurality of first subpixel electrodes, the second driving route drives a plurality of second subpixel electrodes, and at least one of the first subpixel electrodes is the same as at least one of the second subpixel electrodes.
3. The liquid crystal on silicon panel of claim 1 , wherein a part of the subpixel electrodes is coupled to the first driving route and the second driving route, and the first driving route and the second driving route are selected from the same driving circuit or two different driving circuits.
4. The liquid crystal on silicon panel of claim 1 , wherein the display content of the first wobulation image and the second wobulation image is the same or different.
5. The liquid crystal on silicon panel of claim 1 , wherein each of the first driving route and the second driving route comprises at least two switch circuits and a capacitor circuit.
6. The liquid crystal on silicon panel of claim 5 , wherein the at least two switch circuits of the first driving route comprise a first switch circuit and a second switch circuit, the capacitor circuit of the first driving route comprises a first storage capacitor, and
the first switch circuit is turned on and the second switch circuit is turned off in the data loading phase, and a pixel voltage is latched in the first storage capacitor, and
the first switch circuit is turned off and the second switch circuit is turned on in the display phase, and the pixel voltage latched in the first storage capacitor is transmitted to drive a plurality of first subpixel electrodes, wherein the display phase is after the data loading phase.
7. The liquid crystal on silicon panel of claim 6 , wherein the at least two switch circuits of the second driving route comprise a third switch circuit and a fourth switch circuit, the capacitor circuit of the second driving route comprises a second storage capacitor, and
the third switch circuit is turned on and the fourth switch circuit is turned off in the data loading phase, and the pixel voltage is latched in the second storage capacitor, and
the third switch circuit is turned off and the fourth switch circuit is turned on in the display phase, and the pixel voltage latched in the second storage capacitor is transmitted to drive a plurality of second subpixel electrodes.
8. A projection apparatus, comprising:
a light source, configured to output an illumination beam;
a liquid crystal on silicon panel, configured to convert the illumination beam an image beam and output the image beam, wherein the image beam comprises display content of a first wobulation image and a second wobulation image, and the liquid crystal on silicon panel comprises:
a plurality of driving circuits, each of the driving circuits comprises a first driving route and a second driving route, the first driving route and the second driving route are configured to drive corresponding subpixel electrodes and respectively determine the display content of the first wobulation image and the second wobulation image;
a beam splitter device, configured to control light polarization of the image beam and output the polarized image beam; and
a projection lens device, configured to output the polarized image beam to form a projection image,
wherein the first driving route and the second driving route operate in different phases, wherein
when the first driving route operates in a data loading phase, the second driving route operates in a display phase; and
when the first driving route operates in the display phase, the second driving route operates in the data loading phase.
9. The projection apparatus of claim 8 , wherein the first driving route drives a plurality of first subpixel electrodes, the second driving route drives a plurality of second subpixel electrodes, and at least one of the first subpixel electrodes is the same as at least one of the second subpixel electrodes.
10. The projection apparatus of claim 8 , wherein a part of the subpixel electrodes is coupled to the first driving route and the second driving route, and the first driving route and the second driving route are selected from the same driving circuit or two different driving circuits.
11. The projection apparatus of claim 8 , wherein the display content of the first wobulation image and the second wobulation image is the same or different.
12. The projection apparatus of claim 8 , wherein each of the first driving route and the second driving route comprises at least two switch circuits and a capacitor circuit.
13. The projection apparatus of claim 12 , wherein the at least two switch circuits of the first driving route comprise a first switch circuit and a second switch circuit, the capacitor circuit of the first driving route comprises a first storage capacitor, and
the first switch circuit is turned on and the second switch circuit is turned off in the data loading phase, and a pixel voltage is latched in the first storage capacitor, and
the first switch circuit is turned off and the second switch circuit is turned on in the display phase, and the pixel voltage latched in the first storage capacitor is transmitted to drive a plurality of first subpixel electrodes, wherein the display phase is after the data loading phase.
14. The projection apparatus of claim 13 , wherein the at least two switch circuits of the second driving route comprise a third switch circuit and a fourth switch circuit, the capacitor circuit of the second driving route comprises a second storage capacitor, and
the third switch circuit is turned on and the fourth switch circuit is turned off in the data loading phase, and the pixel voltage is latched in the second storage capacitor, and
the third switch circuit is turned off and the fourth switch circuit is turned on in the display phase, and the pixel voltage latched in the second storage capacitor is transmitted to drive a plurality of second subpixel electrodes.