1. A liquid crystal display (LCD) panel with function of compensating feed-through effect, comprising:
plural groups of pixels, each group of pixels comprising:
a first pixel, comprising a first transistor, a first storage capacitor, and a first liquid capacitor, the first transistor having a first end coupled to a data line, a second end, and a control end coupled to a first gate line, the first storage capacitor and the first liquid capacitor being coupled between a common voltage source and the second end of the first transistor; and
a second pixel, comprising a second transistor, a second storage capacitor, and a second liquid capacitor, the second transistor having a first end coupled to the second end of the first transistor, a second end, and a control end coupled to a second gate line, the second storage capacitor and the second liquid capacitor being coupled between the common voltage source and the second end of the second transistor;
a gate-driving circuit, for driving the first gate line and the second gate line;
a data-driving circuit, for writing a first data into the first pixel through the data line and the first transistor when the gate-driving circuit drives the first gate line, and writing a second data into the second pixel through the data line, the first transistor, and the second transistor when the gate-driving circuit drives the first gate line and the second gate line; and
a gamma voltage generator, for providing a first group of gamma voltages to the data-driving circuit, the gamma voltage generator comprising:
a first voltage-dividing circuit, coupled between a first node and a second node, for generating the first group of gamma voltages according to a first voltage on the first node and a second voltage on the second node, voltage levels of the first group of gamma voltages being between voltage levels of the first voltage and the second voltage;
a first switch circuit, coupled to the first node;
a second switch circuit, coupled to the second node; and
a control circuit, for controlling the first switch circuit to switch the first voltage to a first predetermined voltage level and controlling the second switch circuit to switch the second voltage to a predetermined high voltage level or a predetermined low voltage level according to polarity of the first data when the data-driving circuit writes the first data, and for controlling the first switch circuit to switch the first voltage to the first predetermined voltage level or the first predetermined voltage level plus a compensating voltage level and controls the second switch circuit to switch the second voltage to the predetermined high voltage level or the predetermined low voltage level plus the compensating voltage level when the data-driving circuit writes the second data.
2. The LCD panel of claim 1, wherein type of polarity inversion of the LCD panel is column inversion, row inversion, frame inversion, or dot inversion.
3. The LCD panel of claim 1, wherein when the common voltage source provides a DC common voltage, the first predetermined voltage level is equal to voltage level of the DC common voltage, and voltage difference between the predetermined high voltage level and the first predetermined voltage level is equal to voltage difference between the first predetermined voltage level and the predetermined low voltage level.
4. The LCD panel of claim 1, wherein when the common voltage source provides an AC common voltage, the first predetermined voltage level is equal to DC level of the AC common voltage, and voltage difference between the predetermined high voltage level and the first predetermined voltage level is equal to voltage difference between the first predetermined voltage level and the predetermined low voltage level.
5. The LCD panel of claim 1, wherein when the polarity of the first data is positive, the control circuit controls the second switch circuit to switch the voltage level of the second voltage to the predetermined high voltage level; and when the polarity of the first data is negative, the control circuit controls the second switch circuit to switch the voltage level of the second voltage to the predetermined low voltage level.
6. The LCD panel of claim 1, wherein when the polarity of the second data is positive, the control circuit controls the first switch circuit to switch the voltage level of the first voltage to the first predetermined voltage level plus the compensating voltage level, and controls the second switch circuit to switch the voltage level of the second voltage to the predetermined high voltage level; and when the polarity of the second data is negative, the control circuit controls the first switch circuit to switch the voltage level of the first voltage to the first predetermined voltage level, and controls the second switch circuit to switch the voltage level of the second voltage to the predetermined low voltage level plus the compensating voltage level.
7. The LCD panel of claim 1, wherein the first voltage-dividing circuit comprises a plurality of resistors coupled in series.
8. A liquid crystal display (LCD) panel with function of compensating feed-through effect, comprising:
plural groups of pixels, each group of pixels comprising:
a first pixel, comprising a first transistor, a first storage capacitor, and a first liquid capacitor, the first transistor having a first end coupled to a data line, a second end, and a control end coupled to a first gate line, the first storage capacitor and the first liquid capacitor being coupled between a common voltage source and the second end of the first transistor; and
a second pixel, comprising a second transistor, a second storage capacitor, and a second liquid capacitor, the second transistor having a first end coupled to the second end of the first transistor, a second end, and a control end coupled to a second gate line, the second storage capacitor and the second liquid capacitor being coupled between the common voltage source and the second end of the second transistor;
a gate-driving circuit, for driving the first gate line and the second gate line;
a data-driving circuit, when the gate-driving circuit drives the first gate line, the data-driving circuit writing a first data into the first pixel through the data line and the first transistor, when the gate-driving circuit drives the first gate line and the second gate line, the data-driving circuit writing a second data into the second pixel through the data line, the first transistor, and the second transistor; and
a gamma voltage generator, for providing a group of positive polarity gamma voltages and a group of negative polarity gamma voltages to the data-driving circuit, the gamma voltage generator comprising:
a first voltage-dividing circuit, coupled between a first node and a second node, for generating the group of positive polarity gamma voltages according to a first voltage on the first node and a second voltage on the second node, voltage levels of the group of positive polarity gamma voltages being between voltage levels of the first voltage and the second voltage, the voltage level of the second voltage being equal to a predetermined high voltage level;
a first switch circuit, coupled to the first node;
a second voltage-dividing circuit, coupled between a third node and a fourth node, for generating the group of negative polarity gamma voltages according to a third voltage on the third node and a fourth voltage on the fourth node, voltage levels of the group of negative polarity gamma voltages being between voltage levels of the third voltage and the fourth voltage, the voltage level of the third voltage being equal to a first predetermined voltage level;
a second switch circuit, coupled to the fourth node; and
a control circuit, for controlling the first switch circuit to switch the first voltage to the first predetermined voltage level and controlling the second switch circuit to switch the fourth voltage to a predetermined low voltage level when the data-driving circuit writes the first data, and for controlling the first switch circuit to switch the first voltage to the first predetermined voltage level plus a compensating voltage level, and controls the second switch circuit to switch the fourth voltage to the predetermined low voltage level plus the compensating voltage level when the data-driving circuit writes the second data.
9. The LCD panel of claim 8, wherein type of polarity version of the LCD panel is column inversion, row inversion, frame inversion, dot inversion, or 2-dot inversion.
10. The LCD panel of claim 8, wherein when the common voltage source provides a DC common voltage, the first predetermined voltage level is equal to voltage level of the DC common voltage, and voltage difference between the predetermined high voltage level and the first predetermined voltage level is equal to voltage difference between the first predetermined voltage level and the predetermined low voltage level.
11. The LCD panel of claim 8, wherein when the common voltage source provides an AC common voltage, the first predetermined voltage level is equal to DC level of the AC common voltage, and voltage difference between the predetermined high voltage level and the first predetermined voltage level is equal to voltage difference between the first predetermined voltage level and the predetermined low voltage level.
12. The LCD panel of claim 8, wherein each of the first voltage-dividing circuit and the second voltage-dividing circuit comprises a plurality of resistors coupled in series.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for reducing a forced neighbor cell procedure, comprising:
in a mobile unit on a communications channel, monitoring one or more neighbor cell parameters; and
performing a neighbor cell measurement in a selectively generated opportunity in the communications channel to reduce the possibility that the mobile unit will enter a forced neighbor cell measurement.
2. The method according to claim 1, wherein the neighbor cell parameter is a signal strength or an indication as to a type of data that can be exchanged.
3. The method according to claim 1, wherein the communications channel includes a reservation request slot having a first subslot and a second subslot and wherein the opportunity is selectively generated by only selecting the first subslot of the reservation request slot for a reservation request and avoiding the second subslot for the reservation request, wherein avoiding the second subslot for the reservation request creates an additional window for performing the neighbor cell measurement.
4. The method according to claim 3, wherein the communications channel is a half-duplex communications channel having transmission and receive slots in which the transmission and receive slots are temporally offset.
5. The method according to claim 3, further comprising counting for a predetermined number of slots and only selecting the first subslot of the reservation request slot for the reservation request and avoiding the second subslot for the reservation request if a transmission request is received during the counting of the predetermined number of slots.
6. The method according to claim 1, wherein the opportunity is selectively generated in the communications channel by modifying a channel allocation slot in the communications channel.
7. The method according to claim 6, wherein the channel allocation slot is a dynamic channel allocation procedure slot and modifying the channel allocation slot comprises setting a counter in the dynamic channel allocation procedure slot.
8. The method according to claim 7, wherein setting the counter comprises setting the counter to a predetermined value to indicate that a slot map for a number of dynamic channel allocation procedure frames will not change, wherein the number corresponds to the predetermined value.
9. The method according to claim 8, wherein performing the neighbor cell measurement comprises performing the neighbor cell measurement during dynamic channel allocation procedure slots in at least one of the dynamic channel allocation procedure frames that will not change.
10. The method according to claim 6, wherein the channel allocation slot in the communications channel is modified by a communications network that is communicating with the mobile unit.
11. A system for reducing a forced neighbor cell procedure, comprising:
a receiver that receives wireless signals over a communications channel; and
a processor coupled to the receiver, wherein the processor is programmed to:
monitor one or more neighbor cell parameters; and
perform a neighbor cell measurement in a selectively generated opportunity in the communications channel to reduce the possibility that the mobile unit will enter a forced neighbor cell measurement.
12. The system according to claim 11, wherein the communications channel includes a reservation request slot having a first subslot and a second subslot and wherein the processor is further programmed to selectively generate the opportunity by only selecting the first subslot of the reservation request for a reservation request and avoiding the second subslot for the reservation request, wherein avoiding the second subslot for the reservation request creates an additional window for the neighbor cell measurement.
13. The system according to claim 12, wherein the processor is further programmed to count for a predetermined number of slots and to only select the first subslot of the reservation request slot for the reservation request and to avoid the second subslot for the reservation request if a transmission request is received during the counting of the predetermined number of slots.
14. The system according to claim 11, wherein the opportunity is selectively generated in the communications channel by modifying a channel allocation slot in the communications channel.
15. The system according to claim 14, wherein the channel allocation slot is a dynamic channel allocation procedure slot and the channel allocation slot is modified by setting a counter in the dynamic channel allocation procedure slot, wherein a communications network in communication with the receiver sets the counter.
16. The system according to claim 15, wherein the communications network sets the counter to a predetermined value to indicate that a slot map for a number of dynamic channel allocation procedure frames will not change, wherein the number corresponds to the predetermined value.
17. The system according to claim 16, wherein the processor is further programmed to perform the neighbor cell measurement during dynamic channel allocation procedure slots in at least one of the dynamic channel allocation procedure frames that will not change.
18. A machine readable storage, having stored thereon a computer program having a plurality of code sections executable by a mobile unit for causing the mobile unit to perform the steps of:
monitoring on a communications channel one or more neighbor cell parameters; and
performing a neighbor cell measurement in a selectively generated opportunity in the communications channel to reduce the possibility that the mobile unit will enter a forced neighbor cell measurement.
19. The machine readable storage according to claim 18, wherein the communications channel includes a reservation request slot having a first subslot and a second subslot and wherein the opportunity is selectively generated by only selecting the first subslot of the reservation request for a reservation request and avoiding the second subslot for the reservation request, wherein avoiding the second subslot for the reservation request creates an additional window for the neighbor cell measurement.
20. The machine readable storage according to claim 18, wherein the opportunity is selectively generated in the communications channel by modifying a channel allocation slot in the communications channel.