18064813. PIXEL CIRCUIT AND DISPLAY DEVICE HAVING THE SAME simplified abstract (SAMSUNG DISPLAY CO., LTD.)
PIXEL CIRCUIT AND DISPLAY DEVICE HAVING THE SAME
Organization Name
Inventor(s)
SEOKHWAN Bang of Yongin-si (KR)
SEOKJE Seong of Seongnam-si (KR)
JINSEOK Oh of Pyeongtaek-si (KR)
Woobin Lee of Hwaseong-si (KR)
PIXEL CIRCUIT AND DISPLAY DEVICE HAVING THE SAME - A simplified explanation of the abstract
This abstract first appeared for US patent application 18064813 titled 'PIXEL CIRCUIT AND DISPLAY DEVICE HAVING THE SAME
Simplified Explanation
The abstract describes a pixel circuit for display devices, such as OLED screens, which includes several transistors and a storage capacitor. The circuit is designed to control the flow of power and data to a light emitting element, enabling the display of images.
- The pixel circuit includes a first driving transistor connected to a first node and a second driving transistor connected to a second node.
- A write transistor is included to receive data voltage and an initialization transistor is included to receive an initialization gate signal and voltage.
- A storage capacitor is connected to the first and second nodes to store and control the flow of charge.
- A light emitting element is connected to the second node to receive power and emit light.
Potential Applications
- Display devices, such as OLED screens, where individual pixels need to be controlled to display images.
Problems Solved
- The pixel circuit provides a compact and efficient way to control the flow of power and data to individual pixels in a display device.
- It solves the problem of accurately controlling the emission of light from each pixel to display images.
Benefits
- The circuit allows for precise control of power and data flow to individual pixels, resulting in high-quality image display.
- It provides a compact and integrated solution for controlling pixels in display devices.
- The circuit enables efficient power consumption and longer battery life in portable devices.
Original Abstract Submitted
A pixel circuit includes a first driving transistor including a gate electrode connected to a first node, a first electrode to receive a first power voltage, and a second electrode connected to a second node, a second driving transistor including a gate electrode and a second electrode connected to the second node, a first electrode to receive the first power voltage, and a back gate electrode connected to the first node, a write transistor including a first electrode to receive a data voltage and a second electrode connected to the first node, an initialization transistor including a gate electrode to receive an initialization gate signal, a first electrode to receive an initialization voltage, and a second electrode connected to the second node, a storage capacitor connected to the first and second nodes, and a light emitting element connected to the second node and configured to receive a second power voltage.
