Display devices and methods of eliminating split screen for display devices
View Patent ↗A display device includes display panel component and a signal controller. The display panel components include a plurality of pixels arranged in a matrix, at least two data drivers, and data lines connecting to each of the data driver, and the pixels connect to the corresponding data line. The signal controller connects to the two data drivers to obtain two data voltages from data lines connecting to two adjacent data drivers when the pixels display mono-color images having the same grayscale. The signal controller adjusts gamma codes of the two adjacent data drivers in accordance with the obtained the data voltages until the data voltages of the data lines respectively connected to the two adjacent data drivers are the same. In view of the above, the screen split issue caused by adopting at least two data driver may be eliminated so as to enhance the display performance.
1. A display device, comprising:
display panel components and a signal controller;
wherein the display panel components comprises a plurality of pixels arranged in a matrix, at least two data drivers, and a plurality of data lines connecting to each of the data driver, and the pixels connect to the corresponding data line;
the signal controller connects to the two data drivers to obtain two corresponding data voltages from the two data lines respectively connecting to the two adjacent data drivers when the pixels display mono-color images having the same grayscale, and the signal controller adjusts gamma codes of the two adjacent data drivers in accordance with the obtained two data voltages until the data voltages of the data lines respectively connected to the two data drivers are the same.
2. The display device as claimed in claim 1 , wherein the two data lines respectively connecting to the two adjacent data drivers are adjacent to each other.
3. The display device as claimed in claim 1 , wherein the signal controller comprises:
a voltage detection transformation module detects data voltages on the two data lines respectively connected with the two data drivers when the pixels display the mono-color images having the same grayscale, and converts the detected data voltages into digital signals;
a control module adjusts the gamma codes of the two adjacent data driver in accordance with the digital signals until the data voltage outputted from the two data lines respectively connected with the two adjacent data drivers are the same.
4. The display device as claimed in claim 2 , wherein the signal controller comprises:
a voltage detection transformation module detects data voltages on the two data lines respectively connected with the two data drivers when the pixels display the mono-color images having the same grayscale, and converts the detected data voltages into digital signals;
a control module adjusts the gamma codes of the two adjacent data driver in accordance with the digital signals until the data voltage outputted from the two data lines respectively connected with the two adjacent data drivers are the same.
5. The display device as claimed in claim 3 , wherein the signal controller further comprises:
a write module writes the adjusted gamma codes respectively to the two adjacent data drivers.
6. The display device as claimed in claim 4 , wherein the signal controller further comprises:
a write module writes the adjusted gamma codes respectively to the two adjacent data drivers.
7. The display device as claimed in claim 3 , wherein the voltage detection transformation module is a digital-to-analog converter (DAC).
8. The display device as claimed in claim 4 , wherein the voltage detection transformation module is a digital-to-analog converter (DAC).
9. A method of eliminating split screen for display devices, comprising:
displaying mono-color images having the same grayscale by a plurality of pixels;
obtaining two corresponding data voltages from the two data lines respectively connected with the two data drivers by a signal controller;
adjusting gamma codes of the two data drivers in accordance with the two data voltage obtained by the signal controller until the data voltages outputted from the respective data lines connected with the two data drivers are the same.
10. The method as claimed in claim 9 , wherein the two data lines respectively connecting to the two adjacent data drivers are adjacent to each other.
11. The method as claimed in claim 9 , wherein the step of obtaining a data voltage on the two data lines respectively connected with the two data drivers by a signal controller further comprises:
obtaining the data voltages on the data lines respectively connected with the two data drivers by the signal controller; and
converting the obtained data voltages into digital signals by the signal controller.
12. The method as claimed in claim 10 , wherein the step of obtaining a data voltage on the two data lines respectively connected with the two data drivers by a signal controller further comprises:
obtaining the data voltages on the data lines respectively connected with the two data drivers by the signal controller; and
converting the obtained data voltages into digital signals by the signal controller.
13. The method as claimed in claim 11 , wherein the step of adjusting gamma codes of the two adjacent data drivers in accordance with the data voltage obtained by the signal controller further comprises:
comparing the digital signals by the signal controller;
adjusting the gamma codes of the two adjacent data driver in accordance with a comparison result by the signal controller.
14. The method as claimed in claim 12 , wherein the step of adjusting gamma codes of the two adjacent data drivers in accordance with the data voltage obtained by the signal controller further comprises:
comparing the digital signals by the signal controller;
adjusting the gamma codes of the two adjacent data driver in accordance with a comparison result by the signal controller.
15. The method as claimed in claim 9 , wherein the step of adjusting gamma codes of the two adjacent data drivers in accordance with the data voltage obtained by the signal controller until the data voltage outputted from the respective data lines connected with the two adjacent data drivers are the same further comprises:
writing the adjusted gamma codes to the two adjacent data drivers by the signal controller.
16. The method as claimed in claim 10 , wherein the step of adjusting gamma codes of the two adjacent data drivers in accordance with the data voltage obtained by the signal controller until the data voltage outputted from the respective data lines connected with the two adjacent data drivers are the same further comprises:
writing the adjusted gamma codes to the two adjacent data drivers by the signal controller.