A display panel optical compensating apparatus, a display panel and a display panel optical compensating method are provided. The display panel optical compensating apparatus comprises a storage unit (1), a data unit (2), a timing control unit (3) and a switch (4). When the switch (4) is in a first position, the timing control unit (3) has no data exchange with the storage unit (1), and the data unit (2) receives compensated data and burns the compensated data into the storage unit (1). When the switch (4) is in a second position, the timing control unit (3) reads the compensated data in the storage unit (1), performs a compensating operation on display data, and outputs compensated display data. The display panel optical compensating apparatus, the display panel and the display panel optical compensating method realize simple structure, flexible operation, high stability, and fast tempo, and are suitable for mass production.
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