US 11,029,546 B2Granted

Flexible display device

OwnerHaifeng Wang, Shoucheng Wang +1inventors

InventorsHaifeng Wang, Shoucheng Wang, Kun Pan

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Abstract

A flexible display device is provided. The flexible display device includes a flexible panel including a non-bendable area, a bendable area and a plane area; a heat emission support layer positioned between the non-bendable area and the plane area, at least one groove defined in a surface of the heat emission support layer towards the plane area; a chip on film (COF), a side of the COF is connected to the plane area, a driving element positioned on a surface of the COF towards the heat emission support layer; a circuit board, a side of the circuit board is connected to the COF, another side of the circuit board is connected to the heat emission support layer, and a circuit board element positioned on a surface of the circuit board towards the heat emission support layer. the driving element and the circuit board element are positioned within the groove.

Claims10

Dependent claims

A flexible display device, comprising:

a flexible panel comprising a non-bendable area, a bendable area adjacent to the non-bendable area and a plane area which is adjacent to the bendable area and which is parallel to the non-bendable area;
a heat emission support layer positioned between the non-bendable area and the plane area, wherein at least one groove is defined in a side of the heat emission support layer towards the plane area;
a chip on film (COF), wherein a side of the COF is connected to the plane area, and a driving element is provided on a surface of the COF towards the heat emission support layer;
and
a circuit board, wherein a side of the circuit board is connected to the COF and another side of the circuit board is connected to the heat emission support layer, and a circuit board element is provided on the surface of the circuit board towards the heat emission support layer;
wherein the driving element and the circuit board element are positioned within the at least one groove.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/332,795Filed 24 Jan 2019
Priority: CN 201811544572.017 Dec 2018
Published: US 2021/0124197 A129 Apr 2021
Granted: 8 Jun 2021
Term ends: Not estimatedThe source records don’t support an estimate.

Classification8 codes

G02F 1/13306
Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements: circuit arrangements or driving methods for the control of…
G02F 1/133305
Constructional arrangements; Manufacturing methods: flexible substrates, e.g. plastics, organic film
G02F 1/133385
Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or…:…
G02F 1/13452
Conductors connecting electrodes to cell terminals: conductors connecting driver circuitry and terminals of panels

Family

US 2021/0124197 A1Pre-grant publication · published 29 Apr 2021
US 11,029,546 B2This patent

From the US filing history. Foreign family members aren’t listed.

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