18542232. Display Device simplified abstract (LG Display Co., Ltd.)
Contents
Display Device
Organization Name
Inventor(s)
Display Device - A simplified explanation of the abstract
This abstract first appeared for US patent application 18542232 titled 'Display Device
Simplified Explanation:
The patent application describes a display device with a pixel circuit that includes various elements such as a driving element, light emitting element, and switch elements. The device also includes a gate driver and a sensing circuit to control and monitor voltages during different periods of operation.
- The display device includes a pixel circuit with a driving element, light emitting element, and switch elements.
- A gate driver supplies a scan signal to the gate line of the pixel circuit.
- A sensing circuit monitors the voltage of the reference voltage line during a sensing period.
- The scan signal has specific voltage levels during different periods of operation to control the pixel circuit effectively.
- The voltage of the second node is stored in a sensing capacitor during the sensing period.
Key Features and Innovation:
- Integration of a sensing circuit to monitor voltage levels in the display device.
- Specific voltage control during different operational periods for efficient pixel circuit operation.
- Use of a sensing capacitor to store voltage information during sensing periods.
Potential Applications:
- OLED displays
- LED displays
- Electronic devices with display screens
Problems Solved:
- Efficient voltage control in display devices
- Accurate monitoring of voltage levels
- Improved performance of pixel circuits
Benefits:
- Enhanced display quality
- Energy efficiency
- Extended lifespan of display devices
Commercial Applications:
The technology can be utilized in various commercial applications such as smartphones, tablets, televisions, and monitors. It can improve the display quality, energy efficiency, and overall performance of these devices, leading to better user experience and potentially increased sales in the consumer electronics market.
Questions about Display Devices:
1. How does the sensing circuit in the display device contribute to its overall performance? 2. What are the specific advantages of using a sensing capacitor in the pixel circuit of a display device?
Original Abstract Submitted
A display device comprises a pixel circuit including a driving element having a gate electrode connected to a first node and a source electrode connected to a second node, a light emitting element connected to the second node, a first switch element that connects a data line and the first node, and a second switch element that connects a reference voltage line and the second node; a gate driver that supplies a scan signal to the gate line; and a sensing circuit that senses a voltage of the reference voltage line during a sensing period, wherein during an initialization period the scan signal is higher than the sensing data voltage, during the sensing period, the scan signal is higher than the first ground voltage and lower than the sensing data voltage, during the sensing period, a voltage of the second node is stored in a sensing capacitor.
