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US 2001/0033259 A1Published application
Wiring structure and method thereof for a LCD module
AssigneeInternational Business Machines Corporation
InventorYoshitami Sakaguchi
Life of this patent
Estimating the term…
Abstract
An LCD module includes liquid crystal cells forming a image display area on a substrate, a plurality of driver LSIs mounted on the substrate for applying voltages to the liquid crystal cells, and a wiring structure formed on the substrate for supplying a voltage to the plurality of driver LSIs. The wiring structure supplies the voltage to the plurality of driver LSIs, with the wiring resistance gradually changing from a voltage supply point.
Claims18
An LCD module, comprising:
- liquid crystal cells forming a image display area on a substrate;
- a plurality of driver LSIs mounted on said substrate for applying voltages to said liquid crystal cells;
- and
- a wiring structure formed on said substrate for supplying a voltage to said plurality of driver LSIs,
- wherein said wiring structure supplies the voltage to said plurality of driver LSIs, with the wiring resistance gradually changing from a voltage supply point.
2 more elements
An LCD module, comprising:
- liquid crystal cells forming a image display area on a substrate;
- a plurality of driver LSIs mounted on said substrate for applying voltages to said liquid crystal cells;
- and
- a wiring structure formed on said substrate for supplying a voltage supplied from a voltage supply point to said plurality of driver LSIs;
- wherein said wiring structure comprising:
- a forward wiring that starts wiring of said driver LSIs from a driver LSI located near said voltage supply point up to a downstream driver LSI in order,
- thereby supplying the voltage to said plurality of driver LSIs;
- and
- a backward wiring that starts wiring of said driver LSIs from said downstream driver LSI up to the driver LSI located near said voltage supply point in order,
- thereby supplying the voltage to said plurality of driver LSIs;
- wherein the directions of voltage drop in said forward wiring and said backward wiring are opposite.
8 more elements
A wiring structure which supplies a voltage to a plurality of LSIs arranged at a specified interval apart, comprising:
- a voltage supply point receiving a voltage;
- and
- a wiring section that starts wiring of said LSIs from a LSI located near said voltage supply point up to a downstream LSI in order, thereby supplying the voltage to said plurality of LSIs;
- wherein the wiring width is gradually reduced toward said downstream side.
1 more element
A wiring structure which supplies a voltage to a plurality of LSIs arranged at a specified interval apart, comprising:
- a forward wiring and a backward wiring on a substrate on which said plurality of LSIs are arranged,
- wherein a wiring resistance of said wirings gradually changes;
- and
- wherein the voltage is supplied to said plurality of LSIs from both said forward wiring and said backward wiring.
1 more element
A method for supplying a voltage to a plurality of LSIs mounted on a substrate, the method comprising the steps of:
- wiring said plurality of LSIs on said substrate using a forward wiring and a backward wiring whose wiring resistance gradually changes;
- supplying said plurality of LSIs with a voltage from both said forward wiring and said backward wiring;
- and
- causing said plurality of LSIs to time-average the received voltage to generate a reference voltage.
1 more element
A method for supplying a voltage to a plurality of driver LSIs mounted on
- a substrate, the method comprising the steps of:
- providing a, wiring of high resistivity, which gradually changes the wiring width on said substrate;
- connecting said plurality of driver LSIs to said wiring of high resistivity in order;
- supplying a voltage to said wiring of high resistivity;
- supplying a voltage to said driver LSIs via said wiring of high resistivity,
- wherein a voltage drop occurs between the individual driver LSIs;
- and
- generating a reference voltage for γ compensation in said driver LSIs based on the supplied voltage.
5 more elements
A computer, comprising:
- a host executing applications;
- liquid crystal cells forming a image display area on a substrate;
- a plurality of driver LSIs mounted on said substrate for applying voltages to said liquid crystal cells based on signals from said host;
- and
- a wiring structure formed on said substrate for supplying a voltage to said plurality of driver LSIs,
- wherein said wiring structure supplies the voltage to said plurality of driver LSIs, with the wiring resistance gradually changing from a voltage supply point.
3 more elements
A computer, comprising:
- a host executing applications;
- liquid crystal cells forming a image display area on a substrate;
- a plurality of driver LSIs mounted on said substrate for applying voltages to said liquid crystal cells based on signals from said host;
- and
- a wiring structure formed on said substrate for supplying a voltage supplied from a voltage supply point to said plurality of driver LSIs,
- wherein said wiring structure comprising:
- a forward wiring that starts wiring of said driver LSIs from a driver LSI located near said voltage supply point up to a downstream driver LSI in order,
- thereby supplying the voltage to said plurality of driver LSIs;
- and
- a backward wiring that starts wiring of said driver LSIs from said downstream driver LSI up to the driver LSI located near said voltage supply point in order,
- thereby supplying the voltage to said plurality of driver LSIs;
- wherein the directions of voltage drop in said forward wiring and said backward wiring are opposite.
9 more elements
Dependencies are inferred from the claim text.