In-vehicle touch display device
AssigneeWuhan China Star Optoelectronics Technology Co., Ltd.
InventorZheng Zhou
Life of this patent
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Abstract
The present invention provides an in-vehicle touch display device. The in-vehicle touch display device includes a backlight module, a touch display module, and a sealant. The touch display module is placed over the backlight module. The touch display module includes a touch screen, an upper polarizing film, a liquid crystal layer, and a lower polarizing film sequentially stacked on each other. The sealant joins the backlight module and the touch display module together. The sealant includes two protrusions protruding between the backlight module and the touch display module. An adhesive layer is positioned on a side surface of each protrusion facing the lower polarizing film.
Claims17
An in-vehicle touch display device, comprising:
- a backlight module;
- a touch display module disposed over the backlight module, the touch display module comprising a touch screen, an upper polarizing film, a liquid crystal layer, and a lower polarizing film stacked sequentially on each other;
- a sealant joining the backlight module and the touch display module together, the sealant comprising two protrusions protruding between the backlight module and the touch display module, wherein an adhesive layer is disposed on a side surface of the protrusion facing the lower polarizing film, and the adhesive layer further comprises a polyurethane portion and two double-sided adhesive tapes adhered to two side surfaces of the polyurethane portion;
- wherein an air gap layer is disposed between the adhesive layer and the lower polarizing film, and the air gap layer has a thickness ranging from 0.1 mm to 0.2 mm.
An in-vehicle touch display device, comprising:
- a backlight module;
- a touch display module disposed over the backlight module, the touch display module comprising a touch screen, an upper polarizing film, a liquid crystal layer, and a lower polarizing film stacked sequentially on each other;
- a sealant joining the backlight module and the touch display module together, the sealant comprising two protrusions protruding between the backlight module and the touch display module, wherein an adhesive layer is disposed on a side surface of the protrusion facing the lower polarizing film;
- wherein an air gap layer is disposed between the adhesive layer and the lower polarizing film, and the air gap layer has a thickness ranging from 0.1 mm to 0.2 mm.
Dependencies are inferred from the claim text.