Display panel and writing method of display panel
A technology for display panels and driving circuits, applied in static indicators, instruments, etc., can solve problems such as gamma data changes, and achieve the effect of eliminating brightness deviation and avoiding difficult control.
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Embodiment 1
[0026] See figure 1 , is a schematic structural diagram of the display panel according to Embodiment 1 of the present application. The display panel of the present application includes a power management circuit 1 , and the power management circuit 1 includes a driving circuit 11 , a main control circuit 13 and a control circuit 12 . Wherein, the main control circuit 13 is connected to the driving circuit 11 , and the control circuit 12 is connected to the driving circuit 11 .
[0027] The driving circuit 11 includes a non-volatile memory 21 and a register 22 . The nonvolatile memory 21 stores the first gamma voltage value of the display panel. The control circuit 12 controls the driving circuit 11 to store the second gamma voltage value acquired by the main control circuit 3 into the register 22 when the driving circuit 11 is in the first state.
[0028] Further, the control circuit 12 controls the drive circuit 11 to receive a low-level signal, so that the non-volatile me...
Embodiment 2
[0036] See Figure 4 , which is a schematic structural diagram of the display panel in Embodiment 2 of the present application, and figure 1 Compared with the illustrated embodiment, the difference is that this embodiment also includes a code memory 2 and a logic connector 3 connecting the code memory with the power management circuit 1 .
[0037] Wherein, the code memory 2 includes a flash memory unit 20 , and the flash memory unit 20 is connected to the main control circuit 13 . Specifically, the flash memory unit 20 is connected to the main control circuit 13 through a logic connector 3 . The main control circuit 13 obtains the second gamma voltage value from the flash memory unit 20 and writes the second gamma voltage value into the register 22 .
[0038] The logic connector 3 is connected with the code memory 2 and the power management circuit 1 . In a specific embodiment, the code memory 2 is provided with a connector M, the power management circuit 1 is provided with...
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