Luma Adjustment Apparatus for OLED Display ACL and SRE
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Solution Overview
Problem
Conventional OLED display technologies cannot simultaneously enable automatic current limitation (ACL) and sunlight readable enhancement (SRE) functions due to their opposite effects, leading to inefficient use of hardware resources.
Innovation Solution
A luma adjustment method and apparatus that acquires a luma adjustment requirement, converts a luma map from linear to logarithmic space when necessary, filters the map to obtain base and detail layer images, compresses and merges these images based on configuration parameters, and adjusts display page luma accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If ACL function and SRE function are implemented using separate hardware resources, then both functions can be realized, but hardware resources are wasted
Solution Approach 1:
The patent merges the ACL function and SRE function into a single unified hardware resource by implementing both luma adjustment requirements through one set of calculation logic. The system processes different luma adjustment scenarios (ACL and SRE) within the same hardware framework, eliminating the need for separate hardware resources while maintaining both functionalities.
Solution Approach 2:
The patent creates a universal luma adjustment apparatus that can handle multiple luma adjustment requirements (both ACL and SRE) through a single set of calculation logic. The unified hardware resource is designed to be multi-functional, adapting to different luma adjustment scenarios without requiring dedicated hardware for each function.
2Reliability
If ACL function and SRE function use different algorithm processes, then both functions can be independently optimized, but device complexity increases
Solution Approach 1:
The patent segments the luma adjustment process into distinct processing stages within the unified calculation logic. Different luma adjustment requirements (ACL and SRE) are handled through separate processing branches that operate within the same hardware resource, maintaining functional independence while reducing overall device complexity.
Data Source
AI summary
The disclosure relates to a luma adjustment method and apparatus, a computer device, a storage medium, and a computer program product. The method includes: acquiring a first luma requirement or a second luma requirement; acquiring, based on a current image of a display page, a luma map corresponding to the current image; converting the luma map from a linear space to a logarithmic space when the luma adjustment requirement is the first luma requirement; filtering the luma map to acquire a base layer image and a detail layer image; compressing the base layer image and the detail layer image based on a configuration parameter for merging, to obtain a merged image; converting the merged image from the logarithmic space to the linear space when the luma adjustment requirement is the first luma requirement; and adjusting luma of the display page based on the luma map and the merged image.