Touch display device
A technology of a touch display device and a touch layer, which is applied in the fields of instruments, electrical digital data processing, and data processing input/output processes, etc., can solve problems such as poor touch operation experience, and achieve the effect of improving the touch point reporting rate.
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[0083] First embodiment
[0084] See figure 1 , Which is a schematic diagram of the touch display device of this application. The touch display device includes an organic light emitting diode display panel 10, a touch layer 20, a polarizer 30 and a protective cover 40.
[0085] The organic light emitting diode display panel 10 includes a substrate 100, a thin film transistor array layer 101, an organic light emitting diode array layer 102 and an encapsulation layer 103.
[0086] The substrate 100 is a flexible substrate. The thin film transistor array layer 101 is disposed on the substrate 100, and the thin film transistor array layer 101 includes a plurality of thin film transistors arranged in an array. The organic light emitting diode array layer 102 is disposed on the side of the thin film transistor array layer 101 away from the substrate 100. The organic light emitting diode array layer 102 includes a plurality of organic light emitting diodes arranged in an array, and the p...
Example
[0089] Second embodiment
[0090] See image 3 , Which is figure 1 The first structure diagram of the touch layer of the touch display device is shown. The first electrodes 204 of the multiple touch units 207 arranged in the same row in the first direction are electrically connected to form a first electrode channel, and the second electrodes of the multiple touch units 207 arranged in the same row in the second direction 205 is electrically connected to form a second electrode channel. Both ends of each first electrode channel are connected to the first lead 208, and one end of each second electrode channel is connected to the second lead 209, that is, the touch layer adopts a 2T1R structure.
[0091] In this embodiment, the first electrode is a driving electrode, and the second electrode is a sensing electrode. There are 17 first electrode channels in the second direction and 37 second electrode channels in the first direction. Among them, the first second electrode channel to ...
Example
[0094] The third embodiment
[0095] See Figure 4 , Which is figure 1 The second structure diagram of the touch layer of the touch display device is shown. Figure 4 The touch layer shown and image 3 The touch layer shown is basically similar, Figure 4 versus image 3 The structure of the touch layer shown is different in that one end of each first electrode channel is connected to the first lead 208, and one end of each second electrode channel is connected to the second lead 209, that is, the touch layer adopts a 1T1R structure. The arrangement design of the first electrode and the second electrode in this embodiment is image 3 The touch control layer shown is the same, and the group scanning method is also the same as the second embodiment.
[0096] In this embodiment, the node mutual capacitance M on the touch layer that takes the longest time to charge to 95% of the input voltage is located at the far end of the input signal of the touch chip, such as the first electrode ch...
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