Unlock instant, AI-driven research and patent intelligence for your innovation.

An electrochromic film driving circuit

A technology of electrochromic film and driving circuit, which is applied in the direction of nonlinear optics, static indicators, instruments, etc., can solve the problems of single electrochromic film control scheme, insufficient effects, and poor user experience, etc., to achieve enhanced User experience, the effect of improving design perception

Active Publication Date: 2022-06-21
NUBIA TECHNOLOGY CO LTD
View PDF10 Cites 0 Cited by
  • 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

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • An electrochromic film driving circuit
  • An electrochromic film driving circuit
  • An electrochromic film driving circuit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] image 3 It is a 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, as figure 1 The input end of the shown load switch is connected with a control end, which can be a microprocessor or a co-processor, the output end of the load switch is connected with a first field effect transistor and a fourth field effect transistor, and one end of the first field effect transistor is connected ...

Embodiment 2

[0054] Based on the above embodiment, in this embodiment, optionally, in this embodiment, the circuit further includes a power supply, and the power supply is a low-dropout linear regulator or a DC power converter, and the power supply works in an output range 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 unidirectional 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 and above.

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

[0061] Optionally, in this ...

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 embodiment, in this embodiment, it includes a processor module 140, a low-voltage DC power supply 110, a load switch 120, and an electrochromic film driving circuit 130, 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 driver, it is easy to adapt to various types of terminal devices such as mobile terminals and wearable devices, thereby reducing the implementation cost of this solution and impr...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
transmittivityaaaaaaaaaa
Login to View More

Abstract

The invention discloses an electrochromic film drive circuit, which comprises 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. A power-saving, actively controllable, and continuously adjustable electrochromic film drive circuit is realized, which improves the design perception of terminal equipment and enhances user experience.

Description

technical field [0001] The invention relates to the field of mobile communications, 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. Appearance color cannot be adapted. [0003] In order to solve this defect in the prior art, a technical solution for an electrochromic film is proposed at present. However, the current control solution for the electrochromic film applied to the device side is relatively simple, and the effects presented are not rich enough. Bad user experience. SUMMARY 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 connected to t...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/38G02F1/163
CPCG09G3/38G02F1/163
Inventor 祁庆克
Owner NUBIA TECHNOLOGY CO LTD