Data IC Channel Selector for LCD Resolution Adaptability

Solution Overview

Problem

Existing liquid crystal display (LCD) technologies require different numbers of data integrated circuits (ICs) for various resolutions, leading to reduced working efficiency and increased manufacturing costs due to the need for specific IC configurations for each resolution type.

Innovation Solution

A liquid crystal display device with a data integrated circuit that includes a data output group, a dummy output channel group, and a channel selector, allowing the same type of data IC to be used across multiple resolutions by adjusting output channels via first and second channel selection signals, thereby eliminating the need for multiple IC types.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If different numbers of data integrated circuits are used for various resolutions, then each resolution type can be optimized, but working efficiency is reduced and manufacturing costs increase

Engineering Contradiction:

Improveresolution compatibilityVSAvoidworking efficiency

Core Design Contradiction:

Adaptability or versatilityVSProductivity

Solution Approach 1:

The data integrated circuit is designed with a universal structure that can handle multiple resolutions through a channel selection signal. The circuit includes a data output group with multiple output channels and a channel selector that receives a selection signal to activate the appropriate number of channels based on the required resolution, allowing one IC type to serve multiple resolution requirements

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If different numbers of data integrated circuits are used for various resolutions, then specific IC configurations can be optimized for each resolution, but manufacturing costs increase

Engineering Contradiction:

Improveresolution compatibilityVSAvoidmanufacturing cost

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The data integrated circuit is designed with a universal structure that can handle multiple resolutions through a channel selection signal. The circuit includes a data output group with multiple output channels and a channel selector that receives a selection signal to activate the appropriate number of channels based on the required resolution, allowing one IC type to serve multiple resolution requirements

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The circuit allows dynamic adjustment of operational parameters by changing the channel selection signal, which activates different numbers of output channels based on resolution requirements. This parameter change approach enables the same hardware to be configured for different resolutions without physical modification or additional components

Inventive Principle:

Principle #35Parameter changes

Data Source

PatentUS7492343B2Liquid crystal display device

Publication Date: 2009.02.17 LG DISPLAY CO LTD

AI summary

A liquid crystal display device for improving working efficiency and reducing manufacturing cost. In the device, a data integrated circuit has a data output group for supplying pixel data to data lines and a dummy data output channel group which is not supplied with pixel data. A channel selector selects an output channel of the data output channel group. A tape carrier package is mounted with the data integrated circuit and has a data output pad group connected to the data output channel group and a dummy output pad group. The pixel data is applied, via the data output channels selected by the channel selector, to the data lines.