Light-emitting device and display panel including the same
AssigneeInt Tech Co., Ltd.
InventorsKer Tai Chu, Kuo-Cheng Hsu
Life of this patent
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Abstract
A light-emitting device includes an organic light-emitting layer, a first electrode disposed at one side of the organic light-emitting layer, and a second electrode disposed at the same side of the organic light-emitting layer as the first electrode. The first electrode is spaced apart from the second electrode. A display panel includes a substrate including a display region and a touch sensing region defined along a substrate-horizontal direction, at least one light-emitting device disposed over the substrate in the display region, and at least one touch sensor disposed over the substrate in the touch sensing region. The display region and the touch sensing region are not overlapped.
Claims20
A light-emitting device, comprising:
- an organic light-emitting layer;
- an anode disposed at one side of the organic light-emitting layer;
- a first carrier layer, coupled to the organic light-emitting layer and the anode;
- a cathode disposed at the same side of the organic light-emitting layer as the anode;
- and
- a second carrier layer, coupled to the organic light-emitting layer and the cathode,
- wherein the anode is spaced apart from the cathode, and the anode and the cathode are disposed on and in contact with a thin film transistor (TFT) array layer, and bottom surfaces of the anode and the cathode are coplanar with a top surface of the TFT array layer, and
- wherein at least one of lateral sidewalls of the first carrier layer and the second carrier layer is in contact with the organic light-emitting layer from a cross section of the light-emitting device.
A light-emitting device, comprising:
- a first structure comprising:
- an anode;
- a light-emitting layer disposed over the anode;
- and
- a first organic layer sandwiched between the anode and the light-emitting layer;
- a second structure spaced apart from the first structure, the second structure comprising:
- a cathode;
- and
- a second organic layer disposed over the cathode, wherein a thickness of the first organic layer is different from a thickness of the second organic layer;
- and
- a connecting bridge connecting the light-emitting layer of the first structure and the second organic layer of the second structure;
- and
- an TFT array layer, wherein the first structure and the second structure are disposed on and in contact with the TFT array layer, and bottom surfaces of the anode and the cathode are coplanar with a top surface of the TFT array layer.
A display panel, comprising:
- a substrate comprising a plurality of display regions and a touch sensing region defined along a substrate-horizontal direction, wherein the plurality of display regions and the touch sensing region are not overlapped;
- a plurality of light-emitting devices disposed over the substrate in the plurality of display regions, each of the plurality of light-emitting devices comprising:
- an anode and a cathode having a polarity opposite to a polarity of the anode;
- an organic light-emitting layer;
- a first carrier layer, coupled to the organic light-emitting layer and the anode;
- and
- a second carrier layer, coupled to the organic light-emitting layer and the cathode,
- wherein at least one of lateral sidewalls of the first carrier layer and the second carrier layer is in contact with the organic light-emitting layer from a cross section;
- and
- at least one touch sensor disposed over the substrate in the touch sensing region, wherein the touch sensing region surrounds each light-emitting device, and bottom surfaces of the touch sensor, the anode and the cathode are coplanar.
Dependencies are inferred from the claim text.