Display module with identification circuit on panel
An exemplary display module includes a panel and an identification circuit including at least two resistors. The identification circuit is disposed on the panel.
1 . A display module, comprising:
a panel; and
an identification circuit disposed on the panel, the identification circuit comprising at least two resistors.
2 . The display module of claim 1 , wherein the at least two resistors comprise a first resistor and a second resistor, the identification circuit further comprises a first input terminal, a second input terminal, and an output terminal, the first resistor is connected between the first input terminal and the output terminal, and the second resistor is connected between the output terminal and the second input terminal.
3 . The display module of claim 2 , wherein the panel includes a substrate, a plurality of electrodes disposed on the substrate, and a plurality of solder joints disposed on the substrate, and each of the electrodes is connected to a respective one of the solder joints.
4 . The display module of claim 3 , wherein the first input terminal is connected to one of the electrodes, the second input terminal is connected to ground, and the output terminal is disposed on the substrate.
5 . The display module of claim 4 , wherein the output terminal is near the solder joints, has the same shape as each of the solder joints, and is physically parallel to the solder joints.
6 . The display module of claim 3 , wherein the first input terminal, the second input terminal, and the output terminal are disposed on the substrate.
7 . The display module of claim 6 , wherein the first input terminal, the second input terminal, and the output terminal are near the solder joints, each of the first input terminal, the second input terminal, and the output terminal has the same shape as each of the solder joints, and the first input terminal, the second input terminal, and the output terminal are physically parallel to the solder joints.
8 . The display module of claim 1 , wherein the resistors are dry etched resistors.
9 . The display module of claim 8 , wherein the resistors are made of conductive material.
10 . The display module of claim 9 , wherein the conductive material is selected from the group consisting of indium tin oxide, silver, silver oxide, and platinum.
11 . The display module of claim 1 , wherein the at least two resistors comprise a first resistor, a second resistor, a third resistor, and a fourth resistor, the identification circuit further comprises a first input terminal, a second input terminal, a first output terminal, a second output terminal, and a third output terminal, the first resistor is connected between the first input terminal and the first output terminal; the second resistor is connected between the first output terminal and the second output terminal, the third resistor is connected between the second output terminal and the third output terminal, and the fourth resistor is connected between the third output terminal and the second input terminal.
12 . The display module of claim 11 , wherein the panel includes a substrate, a plurality of electrodes disposed on the substrate, and a plurality of solder joints disposed on the substrate, and each of the electrodes is connected to a respective one of the solder joints.
13 . The display module of claim 12 , wherein the first input terminal is connected to one of the electrodes, and the second input terminal, the first output terminal, the second output terminal, and the third output terminal are disposed on the substrate.
14 . The display module of claim 13 , wherein the second input terminal, the first output terminal, the second output terminal, and the third output terminal are near the solder joints, each of the second input terminal, the first output terminal, the second output terminal, and the third output terminal has the same shape as each of the solder joints, and the second input terminal, the first output terminal, the second output terminal, and the third output terminal are physically parallel to the solder joints.
15 . The display module of claim 13 , wherein the first input terminal, the second input terminal, the first output terminal, the second output terminal, and the third output terminal are disposed on the substrate.
16 . The display module of claim 15 , wherein the first input terminal, the second input terminal, the first output terminal, the second output terminal, and the third output terminal are near the solder joints, each of the first input terminal, the second input terminal, the first output terminal, the second output terminal, and the third output terminal has the same shape as each of the solder joints, and the first input terminal, the second input terminal, the first output terminal, the second output terminal, and the third output terminal are parallel to the solder joints.
17 . The display module of claim 3 , wherein the panel is a liquid crystal display panel, and the substrate is a thin film transistor substrate.