Lg display co., ltd. (20240221662). Display Device simplified abstract
Contents
Display Device
Organization Name
Inventor(s)
Display Device - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240221662 titled 'Display Device
The display device described in the patent application includes a pixel circuit with various components to improve image quality characteristics at low gray levels.
- Light-emitting element emits light based on driving current
- Driving transistor controls driving current with gate, source, and drain electrodes
- Data voltage applied to source electrode
- Storage capacitor connected between gate electrode and power voltage
- Reset transistor applies initialization voltage to light-emitting element's anode electrode in response to scan signal
- Operating frequency of scan signal varies for anode reset frame in variable refresh rate mode
- Key Features and Innovation:**
- Pixel circuit design for improved image quality at low gray levels - Variable refresh rate mode for optimized performance - Integration of storage capacitor and reset transistor for enhanced control
- Potential Applications:**
- High-quality displays in electronic devices - Enhanced image rendering in low-light environments - Improved performance in variable refresh rate settings
- Problems Solved:**
- Addressing image quality issues at low gray levels - Enhancing response time for better display performance - Optimizing refresh rate for varying content types
- Benefits:**
- Improved image quality at low gray levels - Enhanced display performance in variable refresh rate mode - Better control over driving current for optimized brightness levels
- Commercial Applications:**
Title: Advanced Display Technology for Enhanced Image Quality Potential commercial uses include high-end monitors, televisions, and mobile devices where image quality is a critical factor. This technology can cater to industries such as gaming, entertainment, and professional graphics.
- Prior Art:**
Readers can explore prior research on pixel circuit design, display device technology, and variable refresh rate modes in the field of display technologies.
- Frequently Updated Research:**
Stay updated on advancements in pixel circuit design, display device technology, and image quality optimization for displays. Research on variable refresh rate modes and their impact on display performance is also relevant.
- Questions about Display Technology:**
1. How does the pixel circuit design impact image quality at low gray levels? 2. What are the key components of the display device that contribute to enhanced performance?
Original Abstract Submitted
the display device includes a pixel circuit, wherein the pixel circuit includes: a light-emitting element configured to emit light based on a driving current; a driving transistor configured to control the driving current, and including a gate electrode, a source electrode, and a drain electrode, wherein a data voltage is applied to the source electrode; a storage capacitor connected to and disposed between the gate electrode of the driving transistor and a power voltage; and a reset transistor configured to apply an initialization voltage to an anode electrode of the light-emitting element in response to a scan signal, wherein when the display device operates in a variable refresh rate mode for a refresh frame, an operating frequency of the scan signal varies for an anode reset frame of the refresh frame. thus, response and image quality characteristics at a low gray level are simultaneously improved.
