Driving device for automatically detecting OLED (Organic Light Emitting Diode) and LCD (Liquid Crystal Display) screens and electronic equipment

Abstract

The utility model provides a driving device for automatically detecting OLED (Organic Light Emitting Diode) and LCD (Liquid Crystal Display) screens and electronic equipment. The driving device comprises a control logic unit, a display driving interface unit, an LCD wiring module and an OLED wiring module, a first input end and a second input end of the control logic unit are respectively connected with a first ID identification interface pin and a second ID identification interface pin of the display driving interface unit, the first ID identification interface pin of the display driving interface unit is connected with the LCD wiring module, the second ID identification interface pin of the display driving interface unit is connected with the OLED wiring module, the LCD wiring module is used for being connected with an LCD screen, and the OLED wiring module is used for being connected with the OLED screen. The OLED wiring module is used for being connected with an OLED screen; when the LCD screen is connected with the LCD wiring module, the first ID identification interface pin of the display driving interface unit is pulled down, and when the OLED screen is connected with the OLED wiring module, the second ID identification interface pin of the display driving interface unit is pulled down. The PCBA can seamlessly switch the OLED screen and the LCD screen of the same model, and the risk of mainboard production and inventory is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic equipment with built-in LCD or OLED screens, and in particular to a driving device and electronic equipment for automatically detecting OLED and LCD screens. Background Art

[0002] Common electronic devices on the market, such as mobile phones, notebooks, tablets, POS machines, etc., all have built-in display screens. With the development of technology, OLED screens are gradually replacing LCD screens. However, when OLED screens and LCD screens exist at the same time, the PCBA components that drive OLED screens and LCD screens are generally different. This will result in the need to distinguish between motherboard models during production and assembly, increasing the risks of motherboard production and inventory.

[0003] In view of this, this application is filed. Utility Model Content

[0004] The utility model provides a driving device and an electronic device for automatically detecting OLED and LCD screens, which can at least partially improve the above problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The utility model discloses a driving device for automatically detecting OLED and LCD screens, which comprises: a control logic unit, a display driving interface unit, an LCD wiring module, and an OLED wiring module;

[0007] Wherein, the first input end of the control logic unit is connected to the first ID identification interface pin of the display drive interface unit, the second input end of the control logic unit is connected to the second ID identification interface pin of the display drive interface unit, the first ID identification interface pin of the display drive interface unit is connected to the ID identification interface pin of the LCD wiring module, the second ID identification interface pin of the display drive interface unit is connected to the ID identification interface pin of the OLED wiring module, the LCD wiring module is used to connect to the LCD screen, and the OLED wiring module is used to connect to the OLED screen;

[0008] When the LCD screen is connected to the LCD wiring module, the first ID identification interface pin of the display driver interface unit is pulled low, and when the OLED screen is connected to the OLED wiring module, the second ID identification interface pin of the display driver interface unit is pulled low.

[0009] Preferably, the control logic unit is a computer central processing unit CPU, or a microprocessor MCU, or a computer execution unit EU.

[0010] Preferably, the LCD wiring module is an FPC flexible cable.

[0011] Preferably, the OLED wiring module is an FPC flexible cable.

[0012] Preferably, the display driver interface unit also includes: OLED electroluminescent power supply and control interface pins, LCD backlight interface pins, and display data eDP / MIPI interface pins, wherein the OLED electroluminescent power supply and control interface pins, LCD backlight interface pins, and display data eDP / MIPI interface pins are connected to the control logic unit.

[0013] The utility model also discloses an electronic device, which comprises a device body and a driving device for automatically detecting OLED and LCD screens as described in any one of the above items, wherein the driving device for automatically detecting OLED and LCD screens is configured on the device body.

[0014] In summary, the driving device for automatically detecting OLED and LCD screens enables PCBA to seamlessly switch between OLED screens and LCD screens of the same model, greatly reducing the risks of motherboard production and inventory. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a circuit diagram of a driving device for automatically detecting OLED and LCD screens provided by an embodiment of the utility model. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0017] The specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0018] See also Figure 1 , the utility model discloses a driving device for automatically detecting OLED and LCD screens, which comprises: a control logic unit 10, a display driving interface unit 11, an LCD wiring module 12, and an OLED wiring module 13;

[0019] Wherein, the first input end of the control logic unit 10 is connected to the first ID identification interface pin of the display drive interface unit 11, the second input end of the control logic unit 10 is connected to the second ID identification interface pin of the display drive interface unit 11, the first ID identification interface pin of the display drive interface unit 11 is connected to the ID identification interface pin of the LCD wiring module 12, the second ID identification interface pin of the display drive interface unit 11 is connected to the ID identification interface pin of the OLED wiring module 13, the LCD wiring module 12 is used to connect to the LCD screen, and the OLED wiring module 13 is used to connect to the OLED screen;

[0020] When the LCD screen is connected to the LCD wiring module 12, the first ID identification interface pin of the display driver interface unit 11 is pulled low, and when the OLED screen is connected to the OLED wiring module 13, the second ID identification interface pin of the display driver interface unit 11 is pulled low.

[0021] In this embodiment, the LCD wiring module 12 includes an LCD interface pin 121 for the ID side identification part; the OLED wiring module 13 includes an OLED interface pin 131 for the ID side identification part. When in use, the automatic detection OLED and LCD screen driving device has two identification conditions: Identification condition 1: the display drive interface unit 11 and the LCD wiring module 12 are electrically connected to each other, the corresponding ID pin will be pulled low to notify the control logic unit 10, and the logic control unit 10 will switch to the LCD driving mode.

[0022] Identification situation 2: the display drive interface unit 11 and the OLED wiring module 13 are electrically connected to each other, and the corresponding ID pin will be pulled low to notify the control logic unit 10, and the logic control unit 10 will switch to the OLED drive mode.

[0023] Preferably, the control logic unit 10 is a computer central processing unit CPU, or a microprocessor MCU, or a computer execution unit EU.

[0024] Preferably, the LCD wiring module 12 is an FPC flexible cable.

[0025] Preferably, the OLED wiring module 13 is an FPC flexible cable.

[0026] Preferably, the display driver interface unit also includes: OLED electroluminescent power supply and control interface pins, LCD backlight interface pins, and display data eDP / MIPI interface pins, wherein the OLED electroluminescent power supply and control interface pins, LCD backlight interface pins, and display data eDP / MIPI interface pins are connected to the control logic unit.

[0027] It should be noted that in other embodiments, control logic units, LCD wiring modules and OLED wiring modules of other types of structures may also be used, which are not specifically limited here, but these solutions are all within the protection scope of the present utility model.

[0028] In summary, the automatic detection of OLED and LCD screen driving device does not need to change the upper parts of PCBA when in use, so that PCBA can seamlessly switch between OLED screen and LCD screen of the same model, greatly reducing the risks of motherboard production and inventory. In simple terms, the display interface of the automatic detection of OLED and LCD screen driving device has an ID pin detection function, and the driving circuit can automatically adapt to OLED screen and LCD screen. In the fiercely competitive market of electronic products, it can meet the convenience of customers using products, improve the cost performance of products, and bring convenience to consumers.

[0029] The utility model also discloses an electronic device, which comprises a device body and a driving device for automatically detecting OLED and LCD screens as described in any one of the above items, wherein the driving device for automatically detecting OLED and LCD screens is configured on the device body.

[0030] The above are only preferred implementations of the present utility model. The protection scope of the present utility model is not limited to the above embodiments. All technical solutions under the concept of the present utility model belong to the protection scope of the present utility model.

Claims

1. A driving device for automatically detecting OLED and LCD screens, characterized in that: include: Control logic unit, display driver interface unit, LCD wiring module, and OLED wiring module; Wherein, the first input end of the control logic unit is connected to the first ID identification interface pin of the display drive interface unit, the second input end of the control logic unit is connected to the second ID identification interface pin of the display drive interface unit, the first ID identification interface pin of the display drive interface unit is connected to the ID identification interface pin of the LCD wiring module, the second ID identification interface pin of the display drive interface unit is connected to the ID identification interface pin of the OLED wiring module, the LCD wiring module is used to connect to the LCD screen, and the OLED wiring module is used to connect to the OLED screen; When the LCD screen is connected to the LCD wiring module, the first ID identification interface pin of the display driver interface unit is pulled low, and when the OLED screen is connected to the OLED wiring module, the second ID identification interface pin of the display driver interface unit is pulled low.

2. A driving device for automatically detecting OLED and LCD screens according to claim 1, characterized in that: The control logic unit is a computer central processing unit CPU, or a microprocessor MCU, or a computer execution unit EU.

3. The driving device for automatically detecting OLED and LCD screens according to claim 1, characterized in that: The LCD wiring module is an FPC flexible cable.

4. The driving device for automatically detecting OLED and LCD screens according to claim 1, characterized in that: The OLED wiring module is an FPC flexible cable.

5. The driving device for automatically detecting OLED and LCD screens according to claim 1, characterized in that: The display drive interface unit also includes: OLED electroluminescent power supply and control interface pins, LCD backlight interface pins, and display data eDP / MIPI interface pins, wherein the OLED electroluminescent power supply and control interface pins, LCD backlight interface pins, and display data eDP / MIPI interface pins are connected to the control logic unit.

6. An electronic device, characterized in that: It comprises a device body and a driving device for automatically detecting OLED and LCD screens as described in any one of claims 1 to 5, wherein the driving device for automatically detecting OLED and LCD screens is configured on the device body.

Images