OLED (Organic Light Emitting Diode) driving IC (Integrated Circuit) control device, display device and electronic equipment

Abstract

The utility model discloses an OLED (Organic Light Emitting Diode) driving IC (Integrated Circuit) control device, a display device and electronic equipment, relates to the technical field of circuit protection, and aims to solve the technical problem that a certain potential safety hazard exists due to frequent triggering or even false triggering easily caused by single overvoltage protection of an OLED driving IC in an increasingly complicated working state of an OLED driving IC chip. Comprising a driving IC chip and an input and output circuit connected to the driving IC chip, and the driving IC chip is connected with an overvoltage protection circuit used for carrying out multiple overvoltage protection and a work protection circuit used for carrying out work protection. The overvoltage protection circuit comprises a software controller and a voltage detection circuit which is connected with the software controller and is used for detecting a voltage fluctuation state, multiple research and judgment modes are adopted, and the problem that single overvoltage protection is prone to frequent triggering and even false triggering when facing an increasingly complex working state of an OLED driving IC chip is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit protection, and more particularly to an OLED drive IC control device, a display device and an electronic device. Background Art

[0002] The OLED driver IC is a core component that controls the normal operation of OLED displays. As one of the display's primary control elements, its primary function is to send drive signals and data to the OLED display panel in the form of electrical signals, thereby controlling the brightness and color of pixels.

[0003] The performance of OLED driver ICs has a crucial impact on the overall performance of OLED displays. With the continuous development of display technology, OLED displays have increasingly higher requirements for driver ICs.

[0004] The current OLED driver IC is mainly used in conjunction with OLED display modules. It needs to have some protection structures when working, such as overvoltage protection, overcurrent protection, overheating protection, etc., to ensure that it will not be damaged under adverse conditions, thereby extending the service life of the OLED screen.

[0005] Overvoltage protection for OLED driver ICs is primarily achieved by integrating a protective measure into the circuit to prevent the voltage in the circuit from exceeding a predetermined safety threshold, which could lead to device damage or safety incidents. However, this single protective measure is prone to frequent or even false triggering in the face of the increasingly complex operating conditions of OLED driver IC chips, posing a certain safety hazard. In light of this, we propose an OLED driver IC control device, display device, and electronic device. Utility Model Content

[0006] The purpose of the present utility model is to overcome the shortcomings of the existing technology and meet actual needs, and to provide an OLED driver IC control device, a display device and an electronic device to solve the technical problem that the current single overvoltage protection for OLED driver IC is prone to frequent triggering or even false triggering in the face of the increasingly complex working conditions of OLED driver IC chips, which poses certain safety hazards.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: an OLED driver IC control device, a display device and an electronic device, comprising a driver IC chip and an input and output circuit connected to the driver IC chip;

[0008] The driver IC chip is connected to an overvoltage protection circuit for multiple overvoltage protection and a working protection circuit for working protection;

[0009] The overvoltage protection circuit includes a software controller and a voltage detection circuit connected to the software controller for detecting voltage fluctuations. The software controller is also connected to a power management circuit for power supply management, a power disconnect circuit for power supply disconnection, and a protective grounding circuit for protective grounding.

[0010] The voltage detection circuit is connected to a voltage comparison circuit for comparing a voltage fluctuation state with a threshold value, and the voltage comparison circuit is connected to an overvoltage protection switching module for overvoltage safety protection, and the overvoltage protection switching module is connected to the power disconnect circuit.

[0011] The utility model sets an overvoltage protection circuit. A software controller centrally controls the voltage detection circuit, the power management circuit, the power disconnection circuit, and the protective grounding circuit to perform circuit voltage detection, power management, real-time power disconnection, and circuit protective grounding. The voltage comparison circuit compares the voltage fluctuation with the threshold value. After an overvoltage conclusion is reached, the overvoltage protection switching module determines to enter a safe mode or cut off the power through the power disconnection circuit. The multiple analysis and judgment methods are adopted to avoid the problem of frequent or even false triggering of a single overvoltage protection in the face of the increasingly complex working state of the OLED driver IC chip.

[0012] Preferably, the input and output circuit includes a signal receiving circuit for signal reception, a signal processing circuit for signal processing, a power supply circuit for power management, and a matrix control circuit for display matrix control. The signal receiving circuit, signal processing circuit, power supply circuit, and matrix control circuit are all connected to the driver IC chip.

[0013] Preferably, the working protection circuit includes an overcurrent protection circuit for overcurrent protection, a temperature monitoring circuit for temperature monitoring, an overheating protection circuit for overheat protection, and a heat dissipation module for heat dissipation.

[0014] Preferably, the temperature monitoring circuit is connected to the overheat protection circuit to achieve real-time transmission of temperature changes.

[0015] Preferably, the overheat protection circuit is connected to the heat dissipation module to achieve cooling action of the device when the temperature is too high.

[0016] An OLED display device comprises the OLED driver IC control device according to claim 1.

[0017] Preferably, it further comprises a TFT display screen module, and the TFT display screen module is connected to the driver IC chip.

[0018] An OLED electronic device comprises the OLED display device according to claim 1.

[0019] Preferably, the device further comprises a front housing and a rear housing connected to the front housing, and the OLED display device is disposed in the front housing and the rear housing.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] 1. The utility model sets up an overvoltage protection circuit, and the software controller centrally controls the voltage detection circuit, power management circuit, power disconnection circuit, and protective grounding circuit to perform circuit voltage detection, power management, real-time power disconnection, and circuit protective grounding. The voltage comparison circuit compares the voltage fluctuation with the threshold value, and after reaching an overvoltage conclusion, the overvoltage protection switching module determines to enter a safe mode or cut off the power through the power disconnection circuit. The multiple analysis and judgment methods are adopted to avoid the problem of frequent or even false triggering of a single overvoltage protection in the face of the increasingly complex working state of the OLED driver IC chip, thereby eliminating safety hazards.

[0022] 2. The utility model further improves the protection of the driver IC chip by setting a working protection circuit in conjunction with the overvoltage protection circuit. The overvoltage protection circuit, overcurrent protection circuit, temperature monitoring circuit and overheating protection circuit realize overvoltage protection, overcurrent protection, temperature monitoring and overheating protection of the driver IC chip. An independent heat dissipation module is used to ensure the working safety of the driver IC chip and improve the service life of the driver IC chip. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic block diagram of the circuit structure of the OLED driver IC control device in the present invention;

[0024] Figure 2 This is a schematic diagram of the structure of the OLED electronic device in the present invention in a front-view state;

[0025] Figure 3 This is a schematic diagram of the structure of the OLED electronic device in the present invention in a rear-view state.

[0026] Description of the numbers in the figure:

[0027] 1. Driver IC chip; 2. TFT display module; 3. Input and output circuit; 301. Signal receiving circuit; 302. Signal processing circuit; 303. Power supply circuit; 304. Matrix control circuit; 4. Overvoltage protection circuit; 401. Software controller; 402. Voltage detection circuit; 403. Power management circuit; 404. Power disconnect circuit; 405. Protective grounding circuit; 406. Voltage comparison circuit; 407. Overvoltage protection switching module; 5. Overcurrent protection circuit; 6. Temperature monitoring circuit; 7. Overheat protection circuit; 8. Heat dissipation module; 9. Front shell; 10. Rear shell. DETAILED DESCRIPTION

[0028] like Figure 1 、 Figure 2 、 Figure 3 As shown, the present invention relates to an OLED driver IC control device, a display device and an electronic device, comprising a driver IC chip 1 and an input / output circuit 3 connected to the driver IC chip 1;

[0029] like Figure 1 As shown, in an embodiment of the present invention, in order to avoid the problem that a single overvoltage protection is easily triggered frequently or even falsely triggered in the face of the increasingly complex working state of the OLED driver IC chip, the driver IC chip 1 is connected to an overvoltage protection circuit 4 for multiple overvoltage protection and a working protection circuit for working protection. The overvoltage protection circuit 4 includes a software controller 401 and a voltage detection circuit 402 connected to the software controller 401 for detecting a voltage fluctuation state. The software controller 401 is also connected to a power management circuit 403 for power supply management, a power disconnection circuit 404 for power supply disconnection, and a protective grounding circuit 405 for protective grounding. The voltage detection circuit 402 is connected to a voltage comparison circuit 406 for comparing the voltage fluctuation state with a threshold value, and the voltage The comparison circuit 406 is connected to an overvoltage protection switching module 407 for overvoltage safety protection, and the overvoltage protection switching module 407 is connected to the power disconnect circuit 404. Through the setting of the overvoltage protection circuit 4, the software controller 401 centrally controls the voltage detection circuit 402, the power management circuit 403, the power disconnect circuit 404, and the protective grounding circuit 405 to perform circuit voltage detection, power management, real-time power disconnection, and protective grounding of the circuit, and compares the voltage fluctuation with the threshold through the voltage comparison circuit 406. After reaching an overvoltage conclusion, the overvoltage protection switching module 407 determines to enter a safe mode or to cut off the power through the power disconnect circuit 404. A multiple analysis and judgment method is adopted to avoid the problem of frequent or even false triggering of a single overvoltage protection in the face of the increasingly complex working state of the OLED driver IC chip.

[0030] like Figure 1 As shown in the embodiment of the present invention, in order to assist the operation of the driver IC chip 1, the input and output circuit 3 includes a signal receiving circuit 301 for signal reception, a signal processing circuit 302 for signal processing, a power supply circuit 303 for power management, and a matrix control circuit 304 for display matrix control. The signal receiving circuit 301, signal processing circuit 302, power supply circuit 303, and matrix control circuit 304 are all connected to the driver IC chip 1. The signal receiving circuit 301, signal processing circuit 302, power supply circuit 303, and matrix control circuit 304 implement signal reception, signal analysis and processing, power supply status, and display matrix control of the driver IC chip 1, thereby assisting the operation of the driver IC chip 1.

[0031] like Figure 1 As shown, in an embodiment of the present utility model, in order to improve the service life of the driver IC chip 1, the working protection circuit includes an overcurrent protection circuit 5 for overcurrent protection, a temperature monitoring circuit 6 for temperature monitoring, an overheat protection circuit 7 for overheat protection, and a heat dissipation module 8 for heat dissipation. The temperature monitoring circuit 6 is connected to the overheat protection circuit 7 to realize real-time transmission of temperature changes. The overheat protection circuit 7 is connected to the heat dissipation module 8 to realize the cooling action of the device after the temperature is too high. By setting the working protection circuit in conjunction with the overvoltage protection circuit 4, the protection of the driver IC chip 1 is further improved. The overvoltage protection circuit 4, the overcurrent protection circuit 5, the temperature monitoring circuit 6, and the overheat protection circuit 7 realize overvoltage protection, overcurrent protection, temperature monitoring, and overheat protection of the driver IC chip 1. An independent heat dissipation module 8 is used to ensure the working safety of the driver IC chip 1 and improve the service life of the driver IC chip 1.

[0032] like Figure 1 、 Figure 2 、 Figure 3 As shown, an OLED display device includes an OLED driver IC control device and a TFT display screen module 2 , wherein the TFT display screen module 2 is connected to the driver IC chip 1 .

[0033] like Figure 1 、 Figure 2 、 Figure 3 As shown, an OLED electronic device includes an OLED display device, a front shell 9 and a rear shell 10 connected to the front shell 9 , and the OLED display device is arranged in the front shell 9 and the rear shell 10 .

[0034] Working Principle: This embodiment provides an OLED driver IC control device, display device, and electronic device. When in use, the signal receiving circuit 301, signal processing circuit 302, power supply circuit 303, and matrix control circuit 304 implement signal reception, signal analysis and processing, power supply status, and display matrix control of the driver IC chip 1. When the driver IC chip 1 is operating, the software controller 401 centrally controls the voltage detection circuit 402, power management circuit 403, power disconnection circuit 404, and protective grounding circuit 405 to perform circuit voltage detection, power management, real-time power disconnection, and circuit protective grounding. The voltage fluctuation is compared with the threshold value through the voltage comparison circuit 406. After the overvoltage conclusion is reached, the overvoltage protection switching module 407 is used to determine whether to enter the safety mode or to cut off the power through the power disconnect circuit 404. The multiple analysis and judgment methods are adopted to avoid the problem of frequent or even false triggering of a single overvoltage protection in the face of the increasingly complex working state of the OLED driver IC chip. At the same time, the driver IC chip 1 is protected from overcurrent, temperature monitoring, and overheating through the overcurrent protection circuit 5, the temperature monitoring circuit 6, and the overheating protection circuit 7. After overheating, the heat dissipation module 8 is used to quickly dissipate heat to increase the service life of the driver IC chip 1.

[0035] The embodiments disclosed in the present invention are preferred embodiments, but are not limited to them. Ordinary technicians in this field can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. As long as they do not deviate from the spirit of the present invention, they are all within the scope of protection of the present invention.

Claims

1. An OLED driver IC control device, characterized in that: It comprises a driver IC chip (1) and an input / output circuit (3) connected to the driver IC chip (1); The driver IC chip (1) is connected to an overvoltage protection circuit (4) for performing multiple overvoltage protection and a working protection circuit for performing working protection; The overvoltage protection circuit (4) comprises a software controller (401) and a voltage detection circuit (402) connected to the software controller (401) for detecting voltage fluctuations. The software controller (401) is further connected to a power management circuit (403) for power supply management, a power disconnection circuit (404) for power supply disconnection, and a protective grounding circuit (405) for protective grounding. The voltage detection circuit (402) is connected to a voltage comparison circuit (406) for comparing a voltage fluctuation state with a threshold value, and the voltage comparison circuit (406) is connected to an overvoltage protection switching module (407) for performing overvoltage safety protection, and the overvoltage protection switching module (407) is connected to the power disconnection circuit (404).

2. The OLED driver IC control device according to claim 1, wherein: The input / output circuit (3) comprises a signal receiving circuit (301) for receiving signals, a signal processing circuit (302) for processing signals, a power supply circuit (303) for power management, and a matrix control circuit (304) for controlling a display matrix. The signal receiving circuit (301), the signal processing circuit (302), the power supply circuit (303), and the matrix control circuit (304) are all connected to the driver IC chip (1).

3. The OLED driver IC control device according to claim 1, wherein: The working protection circuit comprises an overcurrent protection circuit (5) for overcurrent protection, a temperature monitoring circuit (6) for temperature monitoring, an overheat protection circuit (7) for overheat protection, and a heat dissipation module (8) for heat dissipation.

4. The OLED driver IC control device according to claim 3, wherein: The temperature monitoring circuit (6) is connected to the overheat protection circuit (7) to achieve real-time transmission of temperature changes.

5. The OLED driver IC control device according to claim 4, wherein: The overheat protection circuit (7) is connected to the heat dissipation module (8) to achieve a cooling action of the device when the temperature is too high.

6. An OLED display device, characterized in that: The device comprises the OLED driver IC control device according to any one of claims 1 to 5.

7. The OLED display device according to claim 6, wherein: It also includes a TFT display screen module (2), and the TFT display screen module (2) is connected to the driver IC chip (1).

8. An OLED electronic device, characterized in that: The OLED display device according to claim 7 is included.

9. The OLED electronic device according to claim 8, wherein: It also includes a front shell (9) and a rear shell (10) connected to the front shell (9), and the OLED display device is arranged in the front shell (9) and the rear shell (10).

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