IP Library Granted Patent US 9,519,193
Granted Patent B2
US 9,519,193 · App. 14/721,797 · Granted Dec 13, 2016

Liquid crystal display

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Quick Facts
Patent No.
US 9,519,193
App. No.
14/721,797
Granted
Dec 13, 2016
Kind
B2
Abstract

A liquid crystal display including a first substrate and a second substrate facing the first substrate, a gate line and a data line on the first substrate, a thin film transistor coupled to the gate line and the data line, a pixel electrode coupled to the thin film transistor, and a common electrode overlapping the pixel electrode with an insulating layer therebetween, and including a plurality of branch electrodes and a connector coupling the branch electrodes, the common electrode overlapping the data line and extending in parallel with the data line, wherein a width of the connector of the common electrode is about 8.0 μm to about 13.5 μm.

Claims (43)

1. A liquid crystal display comprising:

a first substrate and a second substrate facing the first substrate;

a gate line and a data line on the first substrate;

a thin film transistor coupled to the gate line and the data line;

a pixel electrode coupled to the thin film transistor; and

a common electrode overlapping the pixel electrode with an insulating layer therebetween, and comprising a plurality of branch electrodes and a connector coupling the branch electrodes, the common electrode overlapping the data line and extending in parallel with the data line, the plurality of branch electrodes extending along a same direction that is different from an extension direction of the connector and being between the gate line and an adjacent gate line,

wherein a width of the connector of the common electrode is about 8.0 μm to about 13.5 μm.

2. The liquid crystal display of claim 1 , wherein

a first distance is between a first edge of the date line and a second edge of the connector nearest the first edge, the first distance being less than a second distance between the first edge and a third edge of the pixel electrode nearest the first edge.

3. A liquid crystal display comprising:

a first substrate and a second substrate facing the first substrate;

a gate line and a data line on the first substrate;

a thin film transistor coupled to the gate line and the data line;

a pixel electrode coupled to the thin film transistor; and

a common electrode overlapping the pixel electrode with an insulating layer therebetween, and comprising a plurality of branch electrodes and a connector coupling the branch electrodes, the common electrode overlapping the data line and extending in parallel with the data line,

wherein a width of the connector of the common electrode is about 8.0 μm to about 13.5 μm,

wherein a first distance is between a first edge of the date line and a second edge of the connector nearest the first edge, the first distance being less than a second distance between the first edge and a third edge of the pixel electrode nearest the first edge,

wherein the third edge does not overlap the connector, and

wherein a third distance between the second edge and the third edge is less than about 3.0 μm.

4. The liquid crystal display of claim 3 , wherein

the pixel electrode has a planar shape, and the pixel electrode overlaps the branch electrodes.

5. The liquid crystal display of claim 4 , wherein

at least one of the branch electrodes extends in a direction substantially parallel with the gate line.

6. The liquid crystal display of claim 1 , wherein

a first distance is between a first edge of the data line and a second edge of the connector nearest the first edge, the first distance is greater than a second distance between the first edge and a third edge of the pixel electrode nearest the first edge.

7. A liquid crystal display comprising:

a first substrate and a second substrate facing the first substrate;

a gate line and a data line on the first substrate;

a thin film transistor coupled to the gate line and the data line;

a pixel electrode coupled to the thin film transistor; and

a common electrode overlapping the pixel electrode with an insulating layer therebetween, and comprising a plurality of branch electrodes and a connector coupling the branch electrodes, the common electrode overlapping the data line and extending in parallel with the data line,

wherein a width of the connector of the common electrode is about 8.0 μm to about 13.5 μm,

wherein a first distance is between a first edge of the data line and a second edge of the connector nearest the first edge, the first distance is greater than a second distance between the first edge and a third edge of the pixel electrode nearest the first edge,

wherein the third edge of the pixel electrode overlaps the connector, and

wherein a third distance between the second edge and the third edge is less than about 1.25 μm.

8. The liquid crystal display of claim 7 , wherein

the pixel electrode has a planar shape, and the pixel electrode overlaps the branch electrodes.

9. The liquid crystal display of claim 8 , wherein

at least one of the branch electrodes extends in a direction substantially parallel with the gate line.

10. The liquid crystal display of claim 1 , wherein

the pixel electrode has a planar shape, and the pixel electrode overlaps the branch electrodes.

11. The liquid crystal display of claim 1 , wherein

at least one of the branch electrodes extends in a direction substantially parallel with the gate line.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 4, 2026
From: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
To: LONESTAR CRYSTAL DISPLAY LLC
Reel/Frame 074944/0730 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 21, 2022
From: SAMSUNG DISPLAY CO., LTD.
To: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Reel/Frame 060778/0543 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 5, 2015
From: LEE, SEUNG JAE
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 035797/0567 →