Display Panel Drive Chip Segmentation for Power Reduction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current display technologies, such as LCD and OLED, face challenges in implementing oversized displays due to limitations in substrate size and processing, while micro light emitting diode displays offer advantages like self-illumination and high resolution but face issues with power consumption and temperature rise, especially with passive address selection drive modes.
Innovation Solution
A display panel design that includes a plurality of first signal lines and pixel units arranged in an array, with each pixel unit containing a component group and a drive chip, where cathodes of light emitting elements are connected to a first signal line and anodes connected to signal channel terminals in the drive chip, reducing the number of signal lines and devices, and using an active address selection drive mode to minimize power consumption and thermal issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If passive address selection drive mode is used for micro LED display, then device complexity is reduced, but power consumption increases and temperature rises
Solution Approach 1:
The patent segments the drive chip into multiple independent driving units, each capable of independently driving a subset of light emitting elements. This segmentation enables active address selection drive mode where each unit can be selectively activated, reducing overall power consumption while maintaining the ability to drive high-resolution displays without excessive thermal generation.
Solution Approach 2:
The patent implements dynamic driving capabilities where the drive chip can selectively activate different driving units based on display requirements. This dynamic approach allows the system to adjust power distribution across different regions of the display, optimizing power consumption and heat distribution rather than uniformly powering all elements simultaneously as in passive drive modes.
2Device complexity
If number of signal lines is reduced in display panel, then device complexity is reduced, but signal transmission capability may be compromised
Solution Approach 1:
The patent merges multiple signal transmission functions into a reduced set of signal lines by implementing intelligent signal routing and multiplexing within the drive chip. The driving units can dynamically allocate and share signal lines based on active display regions, maintaining full signal transmission capability while physically reducing the number of required signal lines in the panel structure.
Solution Approach 2:
The patent transitions from a two-dimensional grid of signal lines to a three-dimensional signal routing architecture where signals can be routed through multiple layers and paths within the drive chip. This dimensional change allows complex signal transmission requirements to be met without increasing the planar density of signal lines, effectively reducing visible complexity while maintaining transmission reliability.
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
The design reduces power consumption and thermal issues, allowing for high-resolution oversized displays with improved display efficiency and reduced complexity, enabling better gray scale representation and reduced noise interference.
Implementation Method 1
the component group includes K light emitting elements, and the drive chip includes K signal channel terminals
Data Source
AI summary
Disclosed are a display panel and a display apparatus, wherein the display panel includes a plurality of first signal lines extending along a first direction and a plurality of pixel units arranged in an array in the first direction and a second direction; at least one pixel unit among the plurality of pixel units includes a component group and a drive chip configured to drive the component group to emit light; the component group includes K light emitting elements, and the drive chip includes K signal channel terminals, K is a positive integer greater than or equal to 2; for a pixel unit in a j-th row and an i-th column, cathodes of the K light emitting elements are electrically connected with an i-th first signal line, and an anode of an s-th light emitting element is electrically connected with an s-th signal channel terminal of the drive chip.