Display device and memory access method thereof
AssigneeLG Display Co., Ltd.
InventorsJae Yong RYU, Yi Rang LIM
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Abstract
A display device includes a display panel in which a plurality of data lines and a plurality of pixels are arranged, a source board including a first non-volatile memory and electrically connected to the display panel, and a control board including a timing controller, a second non-volatile memory, and one or more volatile memories and electrically connected to the source board. Memory access methods of a display device are also disclosed.
Claims13
A display device, comprising:
- a display panel in which a plurality of data lines and a plurality of pixels are arranged;
- a source board including a first non-volatile memory and electrically connected to the display panel;
- and
- a control board including a timing controller, a second non-volatile memory, and one or more volatile memories and electrically connected to the source board.
A memory access method of a display device, which comprises a source board including a first non-volatile memory and electrically connected to a display panel, and a control board including a timing controller, a second non-volatile memory, and one or more volatile memories, the memory access method comprising:
- loading, in a power-on sequence of the display device, data from the first non-volatile memory into the one or more volatile memories by the timing controller;
- storing, during a pixel driving period in which an image is displayed on the display panel, stress data in which pixel data is accumulated in the second non-volatile memory at predetermined time intervals;
- and
- storing, in a power-off sequence of the display device, compensation data stored in the one or more volatile memories and the stress data stored in the second non-volatile memory, in the first non-volatile memory by the timing controller.
A memory access method of a display device, which comprises a source board including a first non-volatile memory and electrically connected to a display panel, and a control board including a timing controller, a second non-volatile memory, and one or more volatile memories, the memory access method comprising:
- loading, in a power-on sequence of the display device, data from the first non-volatile memory into the second non-volatile memory by the timing controller;
- during a pixel driving period in which an image is displayed on the display panel, loading data stored in the second non-volatile memory into the one or more volatile memories by the timing controller and storing data in which pixel data is accumulated in the second non-volatile memory at predetermined time intervals;
- and
- storing, in a power-off sequence of the display device, compensation data stored in the one or more volatile memories and stress data stored in the second non-volatile memory, in the first non-volatile memory by the timing controller.
Dependencies are inferred from the claim text.