Display Signal Processing Circuits for High Resolution Panel Segmentation
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Solution Overview
Problem
As the number of pixels in image display panels increases, existing technologies face challenges in responding to the increased resolution due to higher processing loads and pin constraints in semiconductor integrated circuits, leading to insufficient performance in expanding the HSV color space and extending image signals.
Innovation Solution
A display device with an image display panel arranged in a two-dimensional matrix, featuring pixels with four sub-pixels (red, green, blue, and white) and signal processing circuits that convert input HSV color space values into an extended HSV color space, deciding an extension coefficient cooperatively to generate output signals for each sub-pixel, allowing for efficient signal processing and expanded color representation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the number of pixels in the image display panel is increased to achieve higher resolution, then the display quality is improved, but the processing load on the semiconductor integrated circuit increases and pin constraints are exceeded
Solution Approach 1:
The image display panel is divided into multiple regions, with each region processed by a dedicated signal processing circuit. This segmentation allows the total processing load to be distributed across multiple independent circuits, enabling high-resolution display without overwhelming a single circuit's processing capacity or pin count.
2Adaptability or versatility
If the HSV color space is expanded by adding a fourth sub-pixel to improve color representation, then the color space is enlarged, but the processing complexity increases
Solution Approach 1:
The signal processing circuit is divided into multiple processing units, each responsible for converting input signal values for specific sub-pixels. This segmentation of the processing circuit allows the complex HSV color space expansion calculations to be distributed and managed in smaller, more manageable units, reducing overall processing complexity.
3Productivity
If a single semiconductor integrated circuit is used to perform image processing for high-resolution panels, then the processing capability is concentrated, but the number of pins required exceeds manufacturing constraints
Solution Approach 1:
The image processing function is segmented into multiple signal processing circuits distributed across the display panel. Each circuit handles a specific region, reducing the pin count requirement for any single circuit while maintaining overall high-resolution processing capability through coordinated operation of multiple circuits.
4Illumination intensity
If the light amount of the light source is increased to achieve brighter display, then the brightness is improved, but the power consumption increases
Solution Approach 1:
Instead of uniformly increasing light source luminance across the entire display, the system selectively controls light output based on local image characteristics and HSV color space requirements. The light source luminance is adjusted partially and dynamically according to actual display needs, achieving sufficient brightness while minimizing unnecessary power consumption.
Data Source
AI summary
According to an aspect, a display device includes: an image display panel; and a plurality of signal processing circuits that are responsible for respective regions in the image display panel, that convert an input value of an input HSV color space of an input signal to each of their own responsible regions into an extension value of an extended HSV color space to generate an output signal of the extension value for the image display panel. The signal processing circuits decide an extension coefficient αA for the image display panel in its entirety in a cooperative manner. The signal processing circuit, regarding its own responsible region, calculates an output signal of each of a first sub-pixel, a second sub-pixel, third sub-pixel, and a fourth sub-pixel.