Organic light emitting diode touch panel and method of forming the same
AssigneeWuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
InventorHongyu Zhou
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Abstract
An OLED touch panel includes an OLED structure, a first conductive layer, a second conductive layer comprising first sensing electrodes, a sensing conductive layer, a third conductive layer comprising second driving electrodes and second sensing electrodes. The first driving electrodes are electrically connected to the plurality of second driving electrodes. The second sensing electrodes overlap the plurality of first sensing electrodes one-on-one.
Claims12
An organic light-emitting diode (OLED) touch panel, comprising:
- a substrate;
- an OLED structure, arranged on the substrate;
- an encapsulating layer, arranged on the OLED structure;
- wherein the OLED touch panel further comprises:
- a first conductive layer, arranged on the encapsulating layer, and comprising a plurality of first driving electrodes;
- a second conductive layer, arranged on the encapsulating layer, and comprising a plurality of first sensing electrodes;
- an insulating layer, covering the first conductive layer and configured to separate the first conductive layer from the second conductive layer;
- a sensing conductive layer, arranged on the insulating layer and contacting the plurality of first sensing electrodes;
- a third conductive layer, comprising a plurality of second driving electrodes;
- and
- a plurality of second sensing electrodes, arranged on the sensing conductive layer;
- the plurality of second sensing electrodes overlapping the plurality of first sensing electrodes one-on-one.
A method of forming an organic light-emitting diode (OLED) touch panel, comprising:
- forming an OLED structure on a substrate, the OLED structure comprising an anode, a cathode, and an OLED layer;
- arranging the OLED layer between the anode and the cathode;
- forming an encapsulating layer on the OLED structure;
- forming a first conductive layer and a second conductive layer on the encapsulating layer;
- the first conductive layer comprising a plurality of first driving electrodes;
- the second conductive layer comprising a plurality of first sensing electrodes;
- forming an insulating layer to cover the first conductive layer;
- the insulating layer configured to separate the first conductive layer from the second conductive layer;
- forming a sensing conductive layer on the insulating layer;
- the sensing conductive layer contacting the plurality of first sensing electrodes;
- forming a third conductive layer and a plurality of second sensing electrodes on the sensing conductive layer, wherein the third conductive layer comprises a plurality of second driving electrodes;
- the plurality of second sensing electrodes overlapping the plurality of first sensing electrodes one-on-one.
Dependencies are inferred from the claim text.