Control circuit, source electrode driving chip and display system
By introducing control circuits and output circuits into the control circuit, detecting and responding to source input data at low refresh rate, the chopping polarity is flipped within one frame data range, solving the problem of weakening the time uniformity of the chopping circuit at low refresh rate and improving the display quality.
CN119649769AActive Publication Date: 2025-03-18BEIJING ESWIN COMPUTING TECH CO LTD
11 Cites 0 Cited by
Patent Information
- Application Number
- CN202510051853.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2045-01-13
AI Technical Summary
Technical Problem
At low refresh rates, the time uniformity effect of the chopping circuit is significantly weakened, resulting in display abnormalities such as vertical lines and noise.
Method used
By introducing a control circuit and an output circuit into the control circuit, the refresh rate of the source input data is detected, and when the refresh rate is less than or equal to the preset refresh rate, a flip signal is generated, causing the output circuit to perform chopping polarity flip at least once within a frame of data range.
Benefits of technology
It improves the time uniformity effect of the chopping circuit, reduces display abnormalities at low refresh rate, and improves display problems such as vertical lines and noise.
✦ Generated by Eureka AI based on patent content.
Abstract
The embodiment of the invention provides a control circuit, a source electrode driving chip and a display system. The control circuit comprises a receiving circuit, a regulation and control circuit and an output circuit, and the receiving circuit is used for receiving source input data, converting the source input data and outputting initial output data; the regulation and control circuit is used for determining the refresh rate of the source input data, and generating a flipping signal and sending the flipping signal to the output circuit when the refresh rate of the source input data is smaller than or equal to a preset refresh rate; the output circuit is used for receiving the initial output data, and in the process of converting the initial output data into target output data and outputting the target output data, if a flipping signal is received, executing at least one time in a frame data range: performing chopping polarity flipping on the initial output data to obtain the target output data and outputting the target output data; wherein the output circuit at least comprises a chopper circuit and an amplifier, and the chopper polarity flipping means that the chopper circuit is used for changing the offset polarity of the amplifier.
Need to check novelty before this filing date? Find Prior Art