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US 12,190,846 B2Granted
Data processing device, data driving device, and display panel driving device for driving display panel
AssigneeLx Semicon Co., Ltd.
InventorsDo Seok Kim, Yong Hwan Mun, Myung Yu Kim, Hyun Pyo Cho
Life of this patent
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Abstract
The present disclosure relates to a technology for driving a display panel, wherein setting data for setting an environment of a high-speed communication is transmitted through a low-speed communication before performing a high-speed communication for image data, thereby reducing errors in the high-speed communication and increasing the communication speed.
Claims20
A data receiving device comprising:
- a first circuit configured to receive setting data at a first data rate through a first communication line;
- and
- a second circuit configured to operate according to setting values included in the setting data and receive image data at a second data rate different from the first data rate through the first communication line.
A data transmitting device comprising:
- a first circuit configured to transmit setting data, for communication at a first communication rate, at a second communication rate different from the first communication rate through a first communication line;
- and
- a second circuit configured to transmit the image data at the first communication rate through the first communication line after the setting data has been transmitted.
A display panel driving device comprising:
- a first communication line through which low voltage differential signaling (LVDS) communication is performed;
- a data processing device configured to transmit setting data to the first communication line at a first communication rate;
- and
- a plurality of data driving devices configured to perform a communication at a second communication rate different from the first communication rate through the first communication line, set a second communication environment according to setting values included in the setting data, receive image data through the second communication, and drive pixels of a display panel.
1 more element
Dependencies are inferred from the claim text.