Lg display co., ltd. (20240251644). DISPLAY APPARATUS simplified abstract
Contents
DISPLAY APPARATUS
Organization Name
Inventor(s)
DISPLAY APPARATUS - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240251644 titled 'DISPLAY APPARATUS
Simplified Explanation:
The patent application describes a display apparatus that enhances the efficiency of light extraction from a light emitting element layer. The apparatus includes a substrate with pixels and subpixels, a concave pattern portion between subpixels, and a reflective portion. The subpixels have an overcoat layer with concave portions that optimize light extraction.
- The display apparatus improves light extraction efficiency from a light emitting element layer.
- It includes a substrate with pixels and subpixels, a concave pattern portion, and a reflective portion.
- The subpixels have an overcoat layer with optimized concave portions for light extraction.
Potential Applications: This technology can be used in various display devices such as TVs, monitors, and smartphones to enhance brightness and image quality.
Problems Solved: This technology addresses the issue of low light extraction efficiency from light emitting element layers in display devices.
Benefits: - Improved brightness and image quality in display devices. - Enhanced energy efficiency due to optimized light extraction. - Better overall performance of display screens.
Commercial Applications: Potential commercial applications include the manufacturing of high-quality display screens for consumer electronics, automotive displays, and signage industry.
Prior Art: Prior research in the field of display technology may include studies on light extraction efficiency and optimization techniques in display devices.
Frequently Updated Research: Researchers are continuously exploring new methods to improve light extraction efficiency in display technologies for better performance and energy savings.
Questions about Display Technology: 1. How does the concave pattern portion improve light extraction efficiency in the display apparatus? 2. What are the key factors influencing the optimal radius of the concave portions in the overcoat layer for light extraction?
Original Abstract Submitted
a display apparatus is provided, which may improve light extraction efficiency of light emitted from a light emitting element layer. the display apparatus comprises a substrate having a plurality of pixels having a plurality of subpixels, a pattern portion disposed on the substrate and formed to be concave between the plurality of subpixels, and a reflective portion on the pattern portion, wherein the plurality of subpixels include an overcoat layer having a first layer on the substrate and a light extraction portion adjacent to the reflective portion, having a plurality of concave portions formed on the first layer, an optimal radius rof the concave portion satisfies r=0.15 sin 4�(ar+0.05)+1.5n+0.5m−0.59, wherein ‘�’ is a circumferential rate, ar is an aspect ratio of the concave portion, ‘n’ is a refractive index of the first layer, and ‘m’ is a variable value according to a process of forming the plurality of concave portions.
