# US 10,310,652 B2 · Touch display device with reflection reducing layer

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- Number: US 10,310,652 B2
- Document ID: US10310652B2
- Status: Granted
- Kind: B2
- Application number: 15/670,129
- Filed: 2017-08-07
- Published: 2018-07-05
- Granted: 2019-06-04
- Earliest claimed: 2017-01-03
- Assignees: Innolux Corporation
- Applicants: InnoLux Corporation
- Inventors: Hsiao-Lang Lin; Jui-Jen Yueh
- Web page: https://patentgrep.com/patent/US10310652B2

## CPC

- G06F 3/0412: {Digitisers structurally integrated in a display}
- G02F 1/133345: {Insulating layers (G02F1/1335, G02F1/1337, G02F1/135, G02F1/136 take precedence)}
- G02F 1/13338: {Input devices, e.g. touch panels}
- G06F 3/0443: {using a single layer of sensing electrodes}
- H10D 86/411: {characterised by materials, geometry or structure of the substrates}
- H10D 86/451: {characterised by the compositions or shapes of the interlayer dielectrics}
- H10D 86/60: wherein the TFTs are in active matrices
- H10W 90/00: Package configurations
- G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes}
- G06F 2203/04102: Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
- G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
- Y02E 10/549: Organic PV cells
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- 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
- H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

A touch display device is provided. The touch display device includes a substrate and a plurality of display units disposed on the substrate, wherein the display units form a display region and the display region has a first outline. The touch display device further includes an insulating layer disposed on the display units and a plurality of touch units disposed on the insulating layer, wherein the touch units form a touch region, and the touch region has a second outline. The touch display device further includes a reflection reducing layer disposed on the touch units, the reflection reducing layer is in contacted with the touch units and has a third outline, wherein the first outline and the second outline are located within the third outline in a view of a first direction perpendicular to the substrate.

## Claims

### Claim 1

A touch display device, comprising:
a substrate;
a plurality of display units, disposed on the substrate and forming a display region, wherein the display region has a first outline;
an insulating layer, disposed on the display units and covering the plurality of display units;
a plurality of touch units, disposed on the insulating layer and forming a touch region, wherein the touch region has a second outline; and
a reflection reducing layer, disposed on the touch units and in contact with the touch units, wherein the reflection reducing layer has a third outline;
wherein the first outline and the second outline are located within the third outline in a view of a first direction perpendicular to the substrate, and the insulating layer is in contact with a portion of the substrate,
wherein the reflection reducing layer is in contact with at least a portion of the insulating layer and at least a portion of the substrate.

### Claim 2 (depends on 1)

The touch display device of claim 1, wherein the insulating layer has a first thickness in the first direction, the reflection reducing layer has a second thickness in the first direction, and the first thickness is greater than the second thickness.

### Claim 3 (depends on 2)

The touch display device of claim 2, wherein the first thickness ranges from 2 μm to 50 μm.

### Claim 4 (depends on 2)

The touch display device of claim 2, wherein the second thickness ranges from 0.05 μm to 2 μm.

### Claim 5 (depends on 1)

The touch display device of claim 1, wherein the reflection reducing layer is in contact with at least a portion of the insulating layer and at least a portion of the substrate.

### Claim 6 (depends on 5)

The touch display device of claim 5, wherein the third thickness is greater than the fourth thickness.

### Claim 7 (depends on 5)

The touch display device of claim 5, wherein the first layer comprises silicon oxide, silicon nitride, silicon oxynitride, niobium oxide, titanium oxide, zirconium oxide, or a combination thereof.

### Claim 8 (depends on 5)

The touch display device of claim 5, wherein the second layer comprises copper, aluminum, molybdenum, tungsten, gold, silver, cobalt, nickel, platinum, titanium, iridium, rhodium, niobium, chromium, an alloy thereof, or a combination thereof.

### Claim 9 (depends on 5)

The touch display device of claim 5, wherein the third thickness ranges from 15 nm to 80 nm.

### Claim 10 (depends on 5)

The touch display device of claim 5, wherein the fourth thickness ranges from 5 nm to 15 nm.

### Claim 11 (depends on 5)

The touch display device of claim 5, wherein the reflection reducing layer further comprises a third layer, and the second layer is disposed between the first layer and the third layer.

### Claim 12 (depends on 11)

The touch display device of claim 11, wherein the third layer comprises silicon oxide, silicon nitride, silicon oxynitride, niobium oxide, titanium oxide, zirconium oxide, or a combination thereof.

### Claim 13 (depends on 11)

The touch display device of claim 11, wherein the third layer has a thickness ranging from 15 nm to 80 nm.

### Claim 14 (depends on 1)

The touch display device of claim 1, wherein the reflection reducing layer comprises a plurality of recesses located corresponding to the display units.

### Claim 15 (depends on 14)

The touch display device of claim 14, wherein the reflection reducing layer comprises a plurality of protrusions, and the protrusions and the recesses are arranged in alternating positions.

### Claim 16 (depends on 15)

The touch display device of claim 15, wherein the reflection reducing layer has a fifth thickness corresponding to one of the recesses in the first direction and a sixth thickness corresponding to one of the protrusions in the first direction, and the fifth thickness is less than the sixth thickness.

### Claim 17 (depends on 1)

The touch display device of claim 1, wherein the reflection reducing layer comprises a plurality of through holes located corresponding to the display units.

### Claim 18 (depends on 1)

The touch display device of claim 1, wherein the insulating layer has a fourth outline, and the fourth outline is located within the third outline in the view of the first direction.

### Claim 19 (depends on 1)

The touch display device of claim 1, wherein the display units comprise organic light emitting diodes, micro light emitting diodes, or liquid crystal.