Touch device and flexible circuit board thereof
A technology for flexible circuit boards and touch devices, which is applied in the fields of electrical digital data processing, instruments, and input/output processes of data processing, etc., and can solve problems such as high cost and complicated operation.
Pending Publication Date: 2019-04-09
江西卓讯微电子有限公司
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Problems solved by technology
Since the sealant layer is located between two opaque flexible circuit boards, the sealant layer is invisible after the sealant is completed. The traditional methods for detecting the width of the sealant layer mainly include: (1) destructively cut the product volume Measuring the glue width, this method is relatively complicated to operate; (2) Using high-end precision instruments to detect the glue width, the cost of this method is relatively high
Method used
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Embodiment Construction
[0027] The touch device and its flexible circuit board will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0028] Such as figure 1 and figure 2 As shown, a touch device 10 according to an embodiment includes a touch body 12 , a flexible circuit board 14 and a sealant layer 16 . The touch body 12 is a double-sided single-layer structure, and the front and back sides of the touch body 12 are respectively provided with touch binding areas, and the two touch binding areas are arranged facing each other. The two flexible circuit boards 14 are arranged facing each other, and are respectively bound to the two touch binding areas. The sealant layer 16 is disposed between the two flexible circuit boards 14 for sealing the gold fingers 310 exposed from the flexible circuit boards 14 .
[0029] Such as figure 1 and image 3 As shown, the touch body 100 includes a first surface 110 and a second surface 120 opposite to each other....
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The invention relates to a touch device and a flexible circuit board thereof. The touch control device comprises a touch control body which comprises a first touch control binding area and a second touch control binding area which are oppositely arranged, and the first touch control binding area and the second touch control binding area are provided with pins respectively; The flexible circuit boards comprise circuit board binding areas and extension areas which are connected, the circuit board binding areas are provided with golden fingers, and the circuit board binding areas of the two flexible circuit boards are respectively bound with the first touch binding area and the second touch binding area; The sealing glue layer is arranged between the two flexible circuit boards; The flexiblecircuit board comprises a light-transmitting base material, a first circuit layer and a first covering film which are sequentially stacked, the golden finger is located on the first circuit layer, theedge, close to the circuit board binding area, of the extending area is provided with a first window exposing the light-transmitting base material, and the sealing glue layer is far away from the first window and is visible. The touch device can detect the width of the sealing glue layer very conveniently in a visual inspection mode, the detection time can be shortened, the production efficiencyis improved, and the cost is saved.
Description
technical field [0001] The invention relates to the field of touch technology, in particular to a touch device and a flexible circuit board thereof. Background technique [0002] A touch device generally includes a touch body and a flexible circuit board bound and connected to the touch body. For the touch body with a double-sided single-layer structure, the front and back sides of the touch body are respectively provided with binding areas, and the two binding areas are respectively used for binding with two flexible circuit boards. The pins bound to the golden fingers of the flexible circuit board. Usually, the length of the gold finger of the flexible circuit board is longer, and the part of the gold finger close to the touch body is bound to the pin, and the remaining part of the gold finger is exposed and located between the two flexible circuit boards. In order to prevent water vapor from corroding the exposed gold fingers, after the two flexible circuit boards are b...
Claims
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IPC IPC(8): G06F3/041
CPCG06F3/0414
Inventor 何祥波许建勇
Owner 江西卓讯微电子有限公司