IP Library Granted Patent US 8,081,288
Granted Patent B2
US 8,081,288 · App. 12/984,168 · Granted Dec 20, 2011

Method of making a liquid crystal display device having a heat dissipation pattern

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Quick Facts
Patent No.
US 8,081,288
App. No.
12/984,168
Granted
Dec 20, 2011
Kind
B2
Abstract

Disclosed are a liquid crystal display device 10 and a method of making such liquid crystal display device that improves display quality by providing heat dissipation pattern 4 for effectively dissipating heat generated by the driver ICs 2 . The heat dissipation pattern 4 is formed on a glass substrate of a liquid crystal panel 1 along one side thereof so as to minimize non-uniform thermal distribution on the liquid crystal panel 1 at locations adjacent to and distant from the driver ICs 2.

Claims (11)

1. A method of making a liquid crystal display device including a generally rectangular liquid crystal panel, driver ICs for driving the liquid crystal panel and a circuit board for carrying a driving circuit for supplying driving signals to the driver ICs, comprising the steps of:

forming an array and discrete heat dissipation patterns that are spaced from each other on a glass substrate of the liquid crystal panel;

connecting the circuit board to at least one side of the glass substrate of the liquid crystal panel; and

mounting the driver ICs along the one side of the glass substrate of the liquid crystal panel in such a manner that a first of the heat dissipation patterns is located at a first side of one of the driver ICs and a second of the heat dissipation patterns is located at an opposite second side of the one of the driver ICs.

2. The method of making a liquid crystal display device of claim 1 , wherein the discrete heat dissipation patterns and the array of the liquid crystal panel are formed simultaneously using the same material.

3. The method of making a liquid crystal display device of claim 1 , further comprising the step of conducting the heat generated by the driver ICs to the circuit board by way of the discrete heat dissipation patterns.

4. The method of making a liquid crystal display device of claim 1 , further comprising the step of applying a fixed potential to the discrete heat dissipation patterns.

5. The method of making a liquid crystal display device of claim 1 , further comprising the step of connecting the one of the driver ICs to the discrete heat dissipation patterns.

6. The method of making a liquid crystal display device of claim 1 , further comprising the step of connecting the discrete dissipation patterns to the circuit board.

7. The method of making a liquid crystal display device of claim 1 , further comprising the step of connecting the driver ICs to the circuit board.

8. The method of making a liquid crystal display device of claim 1 , further comprising the step of forming a wiring pattern under at least one of the discrete dissipation patterns with an insulation layer therebetween.

Assignments (2)
CHANGE OF NAME Recorded Nov 8, 2011
From: NEC LCD TECHNOLOGIES, LTD.
To: NLT TECHNOLOGIES, LTD.
Reel/Frame 027189/0669 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 6, 2011
From: YUGE, KAZUYUKI
To: NEC LCD TECHNOLOGIES, LTD
Reel/Frame 025594/0983 →