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Segment LCD Display Engine

IP.com Disclosure Number: IPCOM000243118D
Publication Date: 2015-Sep-16
Document File: 5 page(s) / 493K

Publishing Venue

The IP.com Prior Art Database

Abstract

Segment LCD (SLCD) Display Engine is a software engine that can work for all SLCDs. With the engine, user can have driver code for fully and easily control of an SLCD within a few minutes.

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Segment LCD Display Engine

1.     Introduction

  Segment LCD (SLCD) Display Engine is a software engine that can work for all SLCDs. With the engine, user can have driver code for fully and easily control of an SLCD within a few minutes.

2.     What is a Segment LCD

A Segment LCD is a liquid crystal display device which has segments for displaying decimal numerals and icons.

Each icon is connected to a segment pin and a COM pin. To display an icon on segment LCD, the accordingly segment pin and COM pin need to be enabled.

ICON map:

Pin map:

Each number position has 7 icons.

  For each number, two or more icons in one number position need to be enabled.

  So, users need to handle all individual icons and numbers 0 – 9 at each number position.

3.     Old problems in handling SLCD

·         SLCD Icon map and SLCD controller need to be matched.

  Normally, each SLCD controller has its own way to control an SLCD panel. User need to know what the SLCD Icon map is and how the controller can be used to control.

·         User need a lot of time to input SLCD Icon map.

  To control numbers, icons of an SLCD, user need to record all icons to code from the icon map. For a complex SLCD, it will take hours of time which is a waste.

·         No SLCD data base for reuse of code.

  Each person has a different record of icon map, which can’t be reused.

4.     Segment LCD Display Engine Description

1.     General description

  The SLCD display engine can separate the logical layer and hardware layer of SLCD.

  It has a script to generate SLCD icon map to pin map C code, so only very little input is needed for a new SLCD.  The generated...