Lg display co., ltd. (20240221618). Pixel Circuit and Display Device Including the Same simplified abstract
Contents
Pixel Circuit and Display Device Including the Same
Organization Name
Inventor(s)
Sanghoon Jung of Goyang-si (KR)
Pixel Circuit and Display Device Including the Same - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240221618 titled 'Pixel Circuit and Display Device Including the Same
The patent application describes a transparent micro-LED unit pixel circuit that can drive red, green, and blue micro-LED elements with a single driving transistor to increase the transmissive area's size. A transparent micro-LED display device incorporating this circuit is also disclosed.
- The transparent micro-LED unit pixel circuit includes three micro-LEDs emitting light based on a driving current, a driving transistor to control the driving current, a storage capacitor connected to the driving transistor, and a first transistor to apply a data voltage to the driving transistor's gate electrode.
- The driving transistor is positioned between and connected to the anode electrodes of the micro-LEDs and a high-potential power line, enhancing the efficiency of driving the micro-LED elements.
- The storage capacitor helps regulate the driving current, ensuring stable and consistent performance of the micro-LED unit pixel circuit.
- By using a single driving transistor for multiple micro-LED elements, the circuit simplifies the design and reduces the overall complexity of the transparent micro-LED display device.
- This innovation enables the creation of high-resolution, vibrant, and energy-efficient transparent micro-LED displays for various applications.
Potential Applications: - Transparent displays for augmented reality applications - Heads-up displays in automotive and aviation industries - Wearable technology such as smart glasses and smartwatches
Problems Solved: - Simplifies the driving circuit design for micro-LED displays - Increases the transmissive area size without compromising performance - Enhances the efficiency and brightness of micro-LED elements
Benefits: - Improved display quality and resolution - Energy-efficient operation - Enhanced brightness and color accuracy
Commercial Applications: Title: Transparent Micro-LED Display Technology for Next-Gen Wearable Devices This technology can revolutionize the display industry by offering high-performance transparent micro-LED displays for various commercial applications, including smart glasses, automotive displays, and augmented reality devices.
Questions about Transparent Micro-LED Unit Pixel Circuit: 1. How does the driving transistor control the driving current for multiple micro-LED elements? The driving transistor is connected to the anode electrodes of the micro-LEDs and a high-potential power line, regulating the current flow to each LED.
2. What advantages does using a single driving transistor provide in a transparent micro-LED display device? Using a single driving transistor simplifies the circuit design, reduces complexity, and increases the efficiency of driving multiple micro-LED elements.
Original Abstract Submitted
disclosed is a transparent micro-led unit pixel circuit capable of driving red, green, and blue micro-led elements with one driving transistor to increase an area size of a transmissive area, and a transparent micro-led display device including the same. the transparent micro-led unit pixel circuit includes first to third micro-leds emitting light based on a driving current; a driving transistor configured to control the driving current, wherein the driving transistor is disposed between and connected to an anode electrode of each of the first micro-led, the second micro-led, and the third micro-led and a high-potential power line; a storage capacitor disposed between and connected to a gate electrode and a source electrode of the driving transistor; and a first transistor configured to apply a data voltage to the gate electrode of the driving transistor.