Display Block Segmentation for Precise Driver-Adjacent Temperature Detection

Solution Overview

Problem

Display devices experience temperature errors due to varying temperatures around drivers, affecting display quality.

Innovation Solution

The display device is divided into blocks with different areas, including first sub-blocks adjacent to the driver and second sub-blocks spaced apart, where the area of the first sub-blocks is less than the second sub-blocks, allowing for accurate temperature determination and improved display quality.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If the display unit is divided into uniform blocks for temperature determination, then the measurement process is simple, but the temperature measurement precision near the driver deteriorates due to temperature gradients

Engineering Contradiction:

Improvetemperature measurement precisionVSAvoidblock division complexity

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

The display unit is divided into multiple blocks with different areas according to their position relative to the driver. Blocks near the driver (first sub-blocks) have smaller areas, while blocks farther away (second sub-blocks) have larger areas. This segmentation allows for more precise temperature measurement near the driver where temperature gradients are steeper, while using larger blocks in cooler regions where gradients are less significant.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Different blocks are assigned different areas based on their local temperature characteristics. The first sub-blocks positioned adjacent to the driver have smaller areas to capture fine temperature variations in the high-temperature gradient region, while the second sub-blocks spaced apart from the driver have larger areas suitable for the more uniform temperature regions.

Inventive Principle:

Principle #3Local quality

2Device complexity

If larger blocks are used for temperature determination, then fewer blocks are needed reducing complexity, but the temperature error increases in regions with steep temperature gradients near the driver

Engineering Contradiction:

Improvenumber of blocksVSAvoidtemperature determination accuracy

Core Design Contradiction:

Device complexityVSMeasurement precision

Solution Approach 1:

The display unit is divided into multiple blocks with different areas according to their position relative to the driver. Blocks near the driver (first sub-blocks) have smaller areas, while blocks farther away (second sub-blocks) have larger areas. This segmentation allows for more precise temperature measurement near the driver where temperature gradients are steeper, while using larger blocks in cooler regions where gradients are less significant.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Different blocks are assigned different areas based on their local temperature characteristics. The first sub-blocks positioned adjacent to the driver have smaller areas to capture fine temperature variations in the high-temperature gradient region, while the second sub-blocks spaced apart from the driver have larger areas suitable for the more uniform temperature regions.

Inventive Principle:

Principle #3Local quality

Data Source

PatentUS20250299622A1Display device, method of driving the same, and electronic device

Publication Date: 2025.09.25 SAMSUNG DISPLAY CO LTD

AI summary

According to embodiments of the disclosure, a display device includes a display unit including pixels connected to data lines and scan lines and including a plurality of blocks partitioned to include at least two or more of the pixels, at least one driver for driving the display unit, and a temperature determiner for predicting a temperature of the display unit in a unit of the blocks, the blocks include a first block including first sub-blocks positioned adjacent to the driver, and a second block including second sub-blocks positioned spaced apart from the driver, and an area of each of the first sub-blocks and an area of each of the second sub-blocks are different.