Transmissive Area Dummy Pixel for Optical Device Integration
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
It is challenging to position optical devices such as cameras or sensors in display devices with reduced bezel sizes without compromising the screen-to-body ratio and display quality.
Innovation Solution
The implementation of a display device design that includes a second display area with a lower pixel density and dummy pixels in a transmissive area, allowing for higher transmittance and enabling the placement of optical devices within the screen area while maintaining or improving display quality and lifespan.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the bezel size is reduced to increase screen-to-body ratio, then the screen area is increased, but it becomes difficult to position optical devices in the bezel area
Solution Approach 1:
The patent merges the optical device placement function with the display area by introducing a transmissive area that serves dual purposes: as part of the display region and as a location for optical devices. This integration eliminates the need for separate bezel space while maintaining both display functionality and optical device accessibility.
Solution Approach 2:
The transmissive area is designed to perform multiple functions simultaneously: it acts as a display region showing images, provides a pathway for optical devices to capture light, and maintains the overall display quality. This multi-functional design allows the same area to serve both display and optical device housing purposes.
2Area of stationary object
If optical devices are positioned in the screen area, then the bezel area is reduced, but the display quality may be compromised
Solution Approach 1:
The patent applies local quality by creating a specific transmissive area with different optical properties from the rest of the display. This localized region has enhanced light transmission characteristics tailored for optical device access, while the surrounding display areas maintain their standard display quality, thus preserving overall display performance.
Solution Approach 2:
The transmissive area acts as an intermediary between the display system and the optical device. It mediates the light path, allowing optical devices to access light from the display area while maintaining display quality. The transmissive area's specialized optical properties facilitate this intermediate function without compromising the primary display function.
3Area of stationary object
If pixels are used in the transmissive area, then the area can display images, but the transmittance is reduced and pixel lifespan is shortened
Solution Approach 1:
The patent extracts the light emission function from the transmissive area by removing pixels from this specific region. Instead of using pixels that would reduce transmittance and shorten lifespan, the transmissive area relies on light from adjacent display areas, thereby maintaining high transmittance and avoiding pixel degradation issues.
Solution Approach 2:
The transmissive area creates an optical copy effect by allowing light from the display area to pass through to the optical device. Rather than generating light independently with pixels, it copies and transmits the light already produced by the display pixels, achieving the necessary optical function without the drawbacks of placing pixels in the transmissive area.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design enhances display quality and lifespan by allowing optical devices to be integrated into the screen area, improving transmittance and reducing the burden on the pixels, thus maintaining image quality and extending the lifespan of the display device.
Implementation Method 1
a dummy pixel in the transmissive area, wherein the dummy pixel includes a light emission portion emitting light on both sides
Data Source
AI summary
A display device includes: a first display area including a first pixel area; a second display area including a second pixel area and a transmissive area adjacent to the second pixel area; a first pixel in the first pixel area; a second pixel in the second pixel area; and a dummy pixel in the transmissive area, wherein the dummy pixel includes a light emission portion emitting light on both sides.