Chip on flex, touch assembly, and display device
AssigneesChengdu Boe Optoelectronics Technology Co., Ltd., Boe Technology Group Co., Ltd.
InventorsXuerui Gong, Jiangsheng Wang, Yong Yu, Chang Zhang
Life of this patent
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Abstract
The embodiments of the present disclosure provide a chip on flex (COF), a touch assembly, and a display device. The chip on flex includes a flexible base provided with a first opening, the flexible base includes a bonding area provided with a plurality of metal bonding pads; on the flexible base, a spacing area with a preset range is provided between the first opening and the bonding area; wherein, the flexible base is provided with a reinforcement sheet thereon, the reinforcement sheet is located on a portion of the flexible base other than the first opening, the spacing area and the bonding area.
Claims9
A display device, comprising a display assembly and a touch assembly, wherein the touch assembly comprises a touch panel, a chip on flex, and a touch flexible circuit board which is electrically connected to a control chip on the chip on flex through a metal connection terminal on the chip on flex, the chip on flex comprising a flexible base provided with a first opening, the flexible base comprising a bonding area provided with a plurality of metal bonding pads;
- on the flexible base, a spacing area with a preset range being provided between the first opening and the bonding area;
- wherein, the flexible base is provided with a reinforcement sheet thereon, the reinforcement sheet is located on a portion of the flexible base other than the first opening, the spacing area and the bonding area, wherein the reinforcement sheet is made of steel, wherein the display device further comprises a display flexible circuit board which is provided on a side of the display assembly away from the touch assembly;
- a driver chip is provided on the display flexible circuit board, the chip on flex is bent at the spacing area, a portion on the flexible base away from the bonding area is stacked on the display flexible circuit board, and the driver chip is located in the first opening.
Dependencies are inferred from the claim text.