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Electrochromic film driving circuit

An electrochromic film and drive circuit technology, applied in nonlinear optics, instruments, optics, etc., can solve the problems of single electrochromic film control scheme, insufficient effects, and poor user experience, so as to enhance user experience , Improve the effect of design perception

Active Publication Date: 2020-11-13
NUBIA TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, with the rapid development of intelligent terminal equipment, users have higher and higher requirements for the appearance design of intelligent terminal equipment. However, in the prior art The design scheme of the terminal equipment has been determined at the factory, and the appearance and color cannot be adjusted adaptively during later use
[0003] In order to solve this defect in the prior art, a technical solution of electrochromic film is proposed at present, however, the electrochromic film currently applied to the equipment end The control scheme is relatively simple, and the effects presented are not rich enough, giving users a poor experience

Method used

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  • Electrochromic film driving circuit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] image 3 It is the circuit diagram of the first embodiment of the electrochromic film driving circuit of the present invention. This embodiment proposes an electrochromic film drive circuit, the circuit includes a load switch, a control module connected to the load switch, and a drive module connected to the control module, wherein the drive module includes a first field effect tube, a second field effect tube, a third field effect tube and a fourth field effect tube, wherein the first field effect tube is connected to the second field effect tube, and the third field effect tube is connected to the first field effect tube Four FET connections. Specifically, such as figure 1 The input end of the load switch shown is connected to a control end, which can be a microprocessor or a coprocessor, and the output end of the load switch is connected to a first field effect transistor and a fourth field effect transistor, and one end of the first field effect transistor One en...

Embodiment 2

[0054] Based on the above-mentioned embodiments, in this embodiment, optionally, in this embodiment, the circuit further includes a power supply, the power supply is a low-dropout linear regulator or a DC power converter, and the working output range of the power supply is 0.5V-1.5V.

[0055] Optionally, in this embodiment, the load switch is a load switch.

[0056] Optionally, in this embodiment, the control module includes a resistor, a fifth field effect transistor connected to the resistor, and the resistor and the fifth field effect transistor form an inverter.

[0057] Optionally, in this embodiment, the control module is an integrated circuit one-way device.

[0058] Optionally, in this embodiment, the input voltage of the control module is 3.5V-4.5V.

[0059] Optionally, in this embodiment, the input voltage of the load switch is 1.8V or above.

[0060] Optionally, in this embodiment, the input voltage of the driving circuit is above 3.3V.

[0061] Optionally, in thi...

Embodiment 3

[0065] Figure 4 It is a block diagram of the second embodiment of the electrochromic film driving circuit of the present invention. Based on the above-mentioned embodiments, in this embodiment, a processor module 140, a low-voltage DC power supply 110, a load switch 120, and an electrochromic film drive circuit 130 are included, wherein the output end of the low-voltage DC power supply 110 is connected to the load switch 120, and the load The signal input end of the switch 120 is connected to the signal output end of the processor module 140 , and at the same time, the signal output end of the processor module 140 is connected to the setting signal input end of the electrochromic film driving circuit 130 .

[0066] The beneficial effect of this embodiment is that by proposing an integrated electrochromic film drive, it is easy to adapt to various types of terminal equipment such as mobile terminals and wearable devices, which reduces the implementation cost of this solution a...

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Abstract

The invention discloses an electrochromic film driving circuit. The circuit includes a load switch, a control module which is connected with the load switch, a driving module which is connected with the control module, wherein the driving module comprises a first field-effect tube, a second field-effect tube, a third field-effect tube and a fourth field-effect tube, the first field-effect tube isconnected with the second field-effect tube, and the third field-effect tube is connected with the fourth field-effect tube. The electrochromic film driving circuit is power-saving, actively controllable and capable of being continuously adjusted, the design impression of the terminal equipment is improved, and the user experience is enhanced.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to an electrochromic film driving circuit. Background technique [0002] In the prior art, with the rapid development of intelligent terminal equipment, users have higher and higher requirements for the appearance design of intelligent terminal equipment. Cannot make adaptive adjustments to exterior color. [0003] In order to solve this defect in the prior art, a technical solution of the electrochromic film is proposed at present, but the control scheme of the electrochromic film applied to the device end is relatively simple, and the effects presented are not rich enough. The user experience is not good. Contents of the invention [0004] In order to solve the above technical defects in the prior art, the present invention proposes an electrochromic film drive circuit, the circuit includes a load switch, a control module connected to the load switch, and a drive module con...

Claims

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Application Information

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IPC IPC(8): G09G3/38G02F1/163
CPCG09G3/38G02F1/163
Inventor 祁庆克
Owner NUBIA TECHNOLOGY CO LTD