# US 2014/0192307 A1 · Display device

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- Number: US 2014/0192307 A1
- Document ID: US20140192307A1
- Status: Published application
- Kind: A1
- Application number: 13/894,754
- Filed: 2013-05-15
- Published: 2014-07-10
- Earliest claimed: 2013-01-10
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., Ltd.
- Inventors: Ji Hoon YANG; Jung-Hun NOH; Keun Kyu SONG; Hyun Sup LEE; Sang-Hee JANG
- Web page: https://patentgrep.com/patent/US20140192307A1

## CPC

- G02F 1/13394: {spacers regularly patterned on the cell subtrate, e.g. walls, pillars (G02F1/133377 takes precedence)}
- G02F 1/134363: {for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]}
- G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS

## Abstract

A display device including: a first insulation substrate and a second insulation substrate facing each other; a first field generating electrode and a second field generating electrode disposed on the first insulation substrate, wherein the first and second field generating electrodes overlap each other via an insulating layer; a first signal line and a second signal line disposed on the first insulation substrate and connected to the first field generating electrode; a slit pattern disposed in the first field generating electrode or the second field generating electrode; and a spacer disposed between the first insulation substrate and the second insulation substrate, wherein the spacer overlaps a portion of the slit pattern.

## Claims

### Claim 1

A display device, comprising:
a first insulation substrate and a second insulation substrate facing each other;
a first field generating electrode and a second field generating electrode disposed on the first insulation substrate, wherein the first and second field generating electrodes overlap each other via an insulating layer;
a first signal line and a second signal line disposed on the first insulation substrate and connected to the first field generating electrode;
a slit pattern disposed in the first field generating electrode or the second field generating electrode; and
a spacer disposed between the first insulation substrate and the second insulation substrate,
wherein the spacer overlaps a portion of the slit pattern.

### Claim 2 (depends on 1)

The display device of claim 1, further comprising a plurality of pixel areas, wherein the slit pattern is disposed within a first pixel area of the pixel areas.

### Claim 3 (depends on 2)

The display device of claim 2, wherein the spacer overlaps about 2 μm to about 4 μm of the slit pattern.

### Claim 4 (depends on 2)

The display device of claim 2, wherein the first field generating electrode is disposed within the first pixel area, and
the second field generating electrode is disposed on a surface of the first insulation substrate.

### Claim 5 (depends on 4)

The display device of claim 4, wherein the slit pattern is an opening in the second field generating electrode.

### Claim 6 (depends on 5)

The display device of claim 5, wherein the first pixel area is defined by an intersection of the first and second signal lines.

### Claim 7 (depends on 6)

The display device of claim 6, wherein the slit pattern is disposed in a direction parallel to the second signal line.

### Claim 8 (depends on 7)

The display device of claim 7, wherein the spacer overlaps an upper edge of the slit pattern, a lower edge of the slit pattern or the first signal line.

### Claim 9 (depends on 8)

The display device of claim 8, wherein the spacer overlaps about 2 μm to about 4 μm of the upper edge or the lower edge of the slit pattern.

### Claim 10 (depends on 2)

The display device of claim 2, wherein
the spacer is a column spacer on the first insulation substrate.

### Claim 11 (depends on 2)

The display device of claim 2, wherein the display device has a resolution of more than 400 pixels per inch.

### Claim 12 (depends on 2)

The display device of claim 2, wherein the spacer is one of a plurality of spacers and a number of the spacers is 65% to 105% of a number of the pixel areas.

### Claim 13 (depends on 2)

The display device of claim 2, wherein the spacer covers a plurality of slit patterns.

### Claim 14

A display device, comprising:
a plurality of pixel areas;
a first insulation substrate and a second insulation substrate facing each other;
a first field generating electrode and a second field generating electrode disposed on the first insulation substrate, wherein the first and second field generating electrodes overlap each other via an insulating layer;
a first signal line and a second signal line disposed on the first insulation substrate and connected to the first field generating electrode;
a slit pattern disposed in the first field generating electrode or the second field generating electrode; and
a plurality of spacers formed between the first insulation substrate and the second insulation substrate,
wherein a number of the spacers is 65% to 105% of a number of the pixel areas.

### Claim 15 (depends on 14)

The display device of claim 14, wherein the slit pattern is disposed within a first pixel area of the pixel areas, and
a first spacer of the spacers overlaps a portion of the slit pattern.

### Claim 16 (depends on 15)

The display device of claim 15, wherein the first spacer overlaps about 2 μm to about 4 μm of the slit pattern.

### Claim 17 (depends on 15)

The display device of claim 15, wherein the first spacer covers a plurality of slit patterns.

### Claim 18 (depends on 15)

The display device of claim 15, wherein the first spacer is a column spacer on the first insulation substrate.

### Claim 19 (depends on 15)

The display device of claim 15, wherein the display device has a resolution of more than 400 pixels per inch.

### Claim 20 (depends on 15)

The display device of claim 15, wherein the first signal line and the second signal line are crossed,
the slit pattern is disposed in a direction parallel to the second signal line, and
the first spacer overlaps an upper edge of the slit pattern, a lower edge of the slit pattern, or the first signal line.

### Claim 21

A display device, comprising:
a first panel and a second panel facing each other;
a pixel electrode disposed on the first panel;
a common electrode disposed on the first panel;
a slit pattern disposed in the pixel electrode or the common electrode; and
a spacer disposed between the first and second panels and overlapping a side of the slit pattern.
